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Table 2 Prevalence and performance characteristics of algorithms including an alcoholic hepatitis code and codes for associated conditions

From: Validation of coding algorithms for the identification of patients hospitalized for alcoholic hepatitis using administrative data

  Prevalence % (n) Positive predictive value (PPV) % (95 % CI)
Condition Overall (n = 22 Confirmed AH (n = 122) Overall (n = 228 AH as Primary Diagnosis (n = 161) AH as Secondary Diagnosis (n = 67) Severe AH (n = 142) Mild AH (n = 86)
Ascites 27 % (61) 38 % (46) 75 % (63–86) 78 % (65–89) 6 % (26–88) 83 % (70–93) 46 % (19–75)
GI hemmorrhage 34 % (77) 39 % (48) 62 % (51–73) 76 % (62–87) 30 % (13–53) 80 % (66–90) 30 % (14–50)
Hepatic encephalopathy 2.6 % (6) 2.5 % (3) 50 % (12–88) 100 % (16–100) 25 % (1–81) 50 % (12–88) ---
Cirrhosis 25 % (58) 29 % (35) 60 % (47–73) 70 % (53–83) 39 % (17–64) 69 % (53–82) 31 % (9–61)
Alcoholic hepatic failure 4.8 % (11) 8.2 % (10) 91 % (59–100) 89 % (52–100) 44 % (20–70) 90 % (55–100) 33 % (10–65)
Malnutrition 3.0 % (7) 4.1 % (5) 71 % (29–96) 60 % (15–95) 100 % (16–100) 80 % (28–99) 50 % (1–99)
HRS/ Renal failure 16 % (36) 18 % (22) 61 % (43–77) 67 % (46–83) 44 % (14–79) 68 % (48–84) 38 % (9–76)
Pancreatitis 7.9 % (18) 4.9 % (6) 33 % (13–59) 63 % (24–91) 10 % (0–45) 86 % (42–100) 0 % (0–28)
Alcohol abuse 35 % (81) 38 % (46) 57 % (43–68) 68 % (54–79) 27 % (11–50) 70 % (56–82) 32 % (16–52)
Alcohol dependence 26 % (60) 28 % (34) 57 % (43–69) 74 % (60–86) 17 % (4–41) 76 % (59–88) 26 % (10–48)
Alcohol withdrawal 21 % (47) 16 % (19) 40 % (26–56) 62 % (41–80) 14 % (3–36) 62 % (41–80) 14 % (3–36)
  1. GI gastrointestinal, HRS hepatorenal syndrome