feature:

Full SOFA Score: Data Layer + Scoring Engine Glasgow Coma Scale: Data Layer + Scoring Engine
2026-06-21 01:09:50 +08:00
parent 78c043e4d3
commit 93ea473d2b
62 changed files with 7133 additions and 72 deletions
@@ -0,0 +1,60 @@
+using StackExchange.Redis;
+
+public static class GcsCalculator
+{
+    public static readonly IReadOnlyList<string> ComponentCodes = new[]
+    {
+        "GCS_EYE", "GCS_VERBAL", "GCS_MOTOR"
+    };
+
+    public static readonly IReadOnlySet<string> ComponentCodeSet =
+        new HashSet<string>(ComponentCodes);
+
+    public static bool IsGcsCode(string observationCode) =>
+        ComponentCodeSet.Contains(observationCode);
+
+    public static RedisKey[] AllComponentKeys(Guid encounterId) =>
+        ComponentCodes
+            .Select(code => (RedisKey)$"gcs:{encounterId}:{code}")
+            .ToArray();
+
+    public static string ComponentKey(Guid encounterId, string code) =>
+        $"gcs:{encounterId}:{code}";
+
+    // Compute total from three components. Returns null if any component missing.
+    public static int? ComputeTotal(decimal? eye, decimal? verbal, decimal? motor)
+    {
+        if (eye is null || verbal is null || motor is null)
+            return null;
+        return (int)(eye.Value + verbal.Value + motor.Value);
+    }
+
+    // GCS severity classification
+    public static string ClassifyGcs(int total) => total switch
+    {
+        <= 8  => "SEVERE",      // Coma
+        <= 12 => "MODERATE",
+        _     => "MILD"         // 13-15
+    };
+
+    // Map GCS total to NEWS2 consciousness score (replaces AVPU mapping)
+    public static int ToNews2ConsciousnessScore(int gcsTotal) => gcsTotal switch
+    {
+        15 => 0,  // Fully alert — equivalent to AVPU=Alert
+        _  => 3   // Any deficit — equivalent to AVPU=Voice/Pain/Unresponsive
+    };
+
+    // Map GCS total to qSOFA altered mentation criterion
+    public static bool MeetsQsofaAlteredMentation(int gcsTotal) =>
+        gcsTotal < 15;
+
+    // Map GCS total to SOFA CNS score (used in Phase 26)
+    public static int ToSofaCnsScore(int gcsTotal) => gcsTotal switch
+    {
+        15          => 0,
+        >= 13       => 1,   // 13-14
+        >= 10       => 2,   // 10-12
+        >= 6        => 3,   // 6-9
+        _           => 4    // < 6
+    };
+}