Skip to main content

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