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Add CVD Risk Calculation sheet (#5155)
https://app.shortcut.com/simpledotorg/story/14050/save-cv-risk-score-json-model-to-database --------- Co-authored-by: Siddharth Agarwal <[email protected]>
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36 changes: 36 additions & 0 deletions
36
app/src/main/java/org/simple/clinic/cvdrisk/CVDRiskCalculationSheet.kt
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|---|---|---|
| @@ -0,0 +1,36 @@ | ||
| package org.simple.clinic.cvdrisk | ||
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| import com.squareup.moshi.Json | ||
| import com.squareup.moshi.JsonClass | ||
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| @JsonClass(generateAdapter = true) | ||
| class CVDRiskCalculationSheet( | ||
| val women: CVDRiskCategory, | ||
| val men: CVDRiskCategory, | ||
| ) | ||
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| @JsonClass(generateAdapter = true) | ||
| data class CVDRiskCategory( | ||
| val smoking: SmokingData, | ||
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| @Json(name = "nonsmoking") | ||
| val nonSmoking: SmokingData | ||
| ) | ||
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| @JsonClass(generateAdapter = true) | ||
| data class SmokingData( | ||
| @Json(name = "40 - 44") val age40to44: List<RiskEntry>?, | ||
| @Json(name = "45 - 49") val age45to49: List<RiskEntry>?, | ||
| @Json(name = "50 - 54") val age50to54: List<RiskEntry>?, | ||
| @Json(name = "55 - 59") val age55to59: List<RiskEntry>?, | ||
| @Json(name = "60 - 64") val age60to64: List<RiskEntry>?, | ||
| @Json(name = "65 - 69") val age65to69: List<RiskEntry>?, | ||
| @Json(name = "70 - 74") val age70to74: List<RiskEntry>? | ||
| ) | ||
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| @JsonClass(generateAdapter = true) | ||
| data class RiskEntry( | ||
| @Json(name = "sbp") val systolic: String, | ||
| val bmi: String, | ||
| val risk: Int | ||
| ) |
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app/src/main/java/org/simple/clinic/cvdrisk/CVDRiskCalculator.kt
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| package org.simple.clinic.cvdrisk | ||
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| import org.simple.clinic.di.AppScope | ||
| import org.simple.clinic.medicalhistory.Answer | ||
| import org.simple.clinic.patient.Gender | ||
| import javax.inject.Inject | ||
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| @AppScope | ||
| class CVDRiskCalculator @Inject constructor( | ||
| private val cvdRiskCalculationSheet: Lazy<CVDRiskCalculationSheet>, | ||
| ) { | ||
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| fun calculateCvdRisk(cvdRiskInput: CVDRiskInput): String? { | ||
| with(cvdRiskInput) { | ||
| val riskEntries = getRiskEntries(cvdRiskInput) ?: return null | ||
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| val systolicRange = getSystolicRange(systolic) | ||
| val bmiRangeList = getBMIRangeList(bmi) | ||
| val risks = riskEntries.filter { it.systolic == systolicRange && it.bmi in bmiRangeList }.map { it.risk } | ||
| return formatRisk(risks) | ||
| } | ||
| } | ||
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| private fun getRiskEntries(cvdRiskInput: CVDRiskInput): List<RiskEntry>? { | ||
| with(cvdRiskInput) { | ||
| val sheet = cvdRiskCalculationSheet.value | ||
| val genderData = getGenderData(sheet, gender) | ||
| val smokingDataList = genderData?.let { getSmokingDataList(it, isSmoker) } | ||
| return smokingDataList?.let { getAgeRange(smokingDataList, age) } | ||
| } | ||
| } | ||
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| private fun getGenderData(cvdRiskData: CVDRiskCalculationSheet, gender: Gender) = when (gender) { | ||
| Gender.Female -> cvdRiskData.women | ||
| Gender.Male -> cvdRiskData.men | ||
| else -> null | ||
| } | ||
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| private fun getSmokingDataList(genderData: CVDRiskCategory, isSmoker: Answer) = when (isSmoker) { | ||
| Answer.Yes -> listOf(genderData.smoking) | ||
| Answer.No -> listOf(genderData.nonSmoking) | ||
| else -> listOf(genderData.nonSmoking, genderData.smoking) | ||
| } | ||
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| private fun getAgeRange(smokingDataList: List<SmokingData>, age: Int): List<RiskEntry>? { | ||
| val ageToRiskMapping = mapOf( | ||
| 40..44 to { data: SmokingData -> data.age40to44 }, | ||
| 45..49 to { data: SmokingData -> data.age45to49 }, | ||
| 50..54 to { data: SmokingData -> data.age50to54 }, | ||
| 55..59 to { data: SmokingData -> data.age55to59 }, | ||
| 60..64 to { data: SmokingData -> data.age60to64 }, | ||
| 65..69 to { data: SmokingData -> data.age65to69 }, | ||
| 70..74 to { data: SmokingData -> data.age70to74 } | ||
| ) | ||
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| val riskExtractor = ageToRiskMapping.entries | ||
| .firstOrNull { age in it.key } | ||
| ?.value ?: return null | ||
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| return smokingDataList.mapNotNull(riskExtractor).flatten() | ||
| } | ||
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| private fun getSystolicRange(sbp: Int) = when (sbp) { | ||
| in 0..119 -> "120-" | ||
| in 120..139 -> "120 - 139" | ||
| in 140..159 -> "140 - 159" | ||
| in 160..179 -> "160 - 179" | ||
| else -> "180+" | ||
| } | ||
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| private fun getBMIRangeList(bmi: Float?): List<String> { | ||
| return bmi?.let { listOf(getBMIRange(it)) } | ||
| ?: listOf("20-", "20 - 24", "25 - 29", "30 - 35", "35+") | ||
| } | ||
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| private fun getBMIRange(bmi: Float): String { | ||
| return when (bmi) { | ||
| in 0.0..19.9 -> "20-" | ||
| in 20.0..24.9 -> "20 - 24" | ||
| in 25.0..29.9 -> "25 - 29" | ||
| in 30.0..34.9 -> "30 - 35" | ||
| else -> "35+" | ||
| } | ||
| } | ||
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| private fun formatRisk(risks: List<Int>): String? { | ||
| return when { | ||
| risks.isEmpty() -> null | ||
| risks.size == 1 -> risks.first().toString() | ||
| else -> "${risks.minOrNull()} - ${risks.maxOrNull()}" | ||
| } | ||
| } | ||
| } |
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app/src/main/java/org/simple/clinic/cvdrisk/CVDRiskInput.kt
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| package org.simple.clinic.cvdrisk | ||
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| import org.simple.clinic.medicalhistory.Answer | ||
| import org.simple.clinic.patient.Gender | ||
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| data class CVDRiskInput( | ||
| val gender: Gender, | ||
| val age: Int, | ||
| val systolic: Int, | ||
| val isSmoker: Answer = Answer.Unanswered, | ||
| val bmi: Float? = null | ||
| ) |
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93 changes: 93 additions & 0 deletions
93
app/src/test/java/org/simple/clinic/cvdrisk/CVDRiskCalculatorTest.kt
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,93 @@ | ||
| package org.simple.clinic.cvdrisk | ||
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| import org.junit.Assert.assertEquals | ||
| import org.junit.Test | ||
| import org.simple.clinic.medicalhistory.Answer | ||
| import org.simple.clinic.patient.Gender | ||
| import org.simple.sharedTestCode.TestData | ||
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| class CVDRiskCalculatorTest { | ||
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| private val cvdRiskCalculationSheet = TestData.cvdRiskCalculationSheet() | ||
| private val cvdRiskCalculator = CVDRiskCalculator( | ||
| cvdRiskCalculationSheet = lazy { cvdRiskCalculationSheet } | ||
| ) | ||
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| @Test | ||
| fun `should return exact risk for matching data`() { | ||
| val cvdRiskInput = CVDRiskInput( | ||
| gender = Gender.Female, | ||
| age = 40, | ||
| systolic = 130, | ||
| isSmoker = Answer.Yes, | ||
| bmi = 27f | ||
| ) | ||
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| val risk = cvdRiskCalculator.calculateCvdRisk(cvdRiskInput) | ||
| assertEquals("5", risk) | ||
| } | ||
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| @Test | ||
| fun `should return risk range when bmi is not specified`() { | ||
| val cvdRiskInput = CVDRiskInput( | ||
| gender = Gender.Female, | ||
| age = 40, | ||
| systolic = 130, | ||
| isSmoker = Answer.Yes, | ||
| bmi = null | ||
| ) | ||
| val risk = cvdRiskCalculator.calculateCvdRisk(cvdRiskInput) | ||
| assertEquals("5 - 6", risk) | ||
| } | ||
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| @Test | ||
| fun `should return null when no matching data`() { | ||
| val cvdRiskInput = CVDRiskInput( | ||
| gender = Gender.Male, | ||
| age = 80, | ||
| systolic = 200, | ||
| isSmoker = Answer.Yes, | ||
| bmi = 40f | ||
| ) | ||
| val risk = cvdRiskCalculator.calculateCvdRisk(cvdRiskInput) | ||
| assertEquals(null, risk) | ||
| } | ||
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| @Test | ||
| fun `should handle nonsmoking data correctly`() { | ||
| val cvdRiskInput = CVDRiskInput( | ||
| gender = Gender.Male, | ||
| age = 40, | ||
| systolic = 125, | ||
| isSmoker = Answer.No, | ||
| bmi = 27f | ||
| ) | ||
| val risk = cvdRiskCalculator.calculateCvdRisk(cvdRiskInput) | ||
| assertEquals("3", risk) | ||
| } | ||
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| @Test | ||
| fun `should return risk range when smoking is unanswered`() { | ||
| val cvdRiskInput = CVDRiskInput( | ||
| gender = Gender.Male, | ||
| age = 40, | ||
| systolic = 125, | ||
| isSmoker = Answer.Unanswered, | ||
| bmi = 27f | ||
| ) | ||
| val risk = cvdRiskCalculator.calculateCvdRisk(cvdRiskInput) | ||
| assertEquals("3 - 6", risk) | ||
| } | ||
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| @Test | ||
| fun `should return risk range when bmi and smoking is not specified`() { | ||
| val cvdRiskInput = CVDRiskInput( | ||
| gender = Gender.Male, | ||
| age = 40, | ||
| systolic = 125, | ||
| ) | ||
| val risk = cvdRiskCalculator.calculateCvdRisk(cvdRiskInput) | ||
| assertEquals("3 - 8", risk) | ||
| } | ||
| } | ||
|
|
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