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Table 2 Frequency and proportion of normal, abnormal, and missing lab values by year for each lab value included in the model

From: An administrative model for benchmarking hospitals on their 30-day sepsis mortality

Laboratory name

2012

2013

Normal

Abnormal

Missing

Normal

Abnormal

Missing

Arterial Bicarbonate

16,406 (14%)

4784 (4%)

94,023 (82%)

17,847 (15%)

5024 (4%)

98,070 (81%)

Arterial pO2

16,735 (15%)

5792 (5%)

92,686 (80%)

17,794 (15%)

6160 (5%)

96,987 (80%)

Arterial SaO2

14,468 (13%)

6602 (6%)

94,143 (82%)

15,371 (13%)

7107 (6%)

98,463 (81%)

Albumin

16,926 (15%)

41,627 (36%)

56,660 (49%)

17,986 (15%)

43,728 (36%)

59,227 (49%)

Alkaline phosphatase

34,812 (30%)

24,172 (21%)

56,229 (49%)

37,344 (31%)

25,706 (21%)

57,891 (48%)

Aspartate aminotransferase

44,493 (39%)

13,969 (12%)

56,751 (49%)

47,748 (39%)

14,829 (12%)

58,364 (48%)

Total bilirubin

42,329 (37%)

15,850 (14%)

57,034 (50%)

46,240 (38%)

16,906 (14%)

57,795 (48%)

Brain natriuretic peptide

13,139 (11%)

4818 (4%)

97,256 (84%)

13,673 (11%)

4910 (4%)

102,358 (85%)

Blood urea nitrogen

23,893 (21%)

58,085 (50%)

33,235 (29%)

26,047 (22%)

61,874 (51%)

33,020 (27%)

Calcium

19,600 (17%)

58,582 (51%)

37,031 (32%)

22,125 (18%)

61,446 (51%)

37,370 (31%)

Creatinine

30,257 (26%)

52,239 (45%)

32,717 (28%)

33,170 (27%)

55,014 (45%)

32,757 (27%)

Glucose

23,536 (20%)

59,543 (52%)

32,134 (28%)

25,418 (21%)

63,569 (53%)

31,954 (26%)

Hemoglobin

12,915 (11%)

69,258 (60%)

33,040 (29%)

14,325 (12%)

73,826 (61%)

32,790 (27%)

International Normalized Ratio

21,267 (18%)

35,534 (31%)

58,412 (51%)

22,790 (19%)

36,892 (31%)

61,259 (51%)

Platelet count

54,541 (47%)

26,501 (23%)

34,171 (30%)

59,165 (49%)

27,908 (23%)

33,868 (28%)

Potassium

53,433 (46%)

28,647 (25%)

33,133 (29%)

58,635 (48%)

29,196 (24%)

33,110 (27%)

Pro-brain natriuretic peptide

868 (1%)

4169 (4%)

110,176 (96%)

1102 (1%)

5160 (4%)

114,679 (95%)

Sodium

45,601 (40%)

37,179 (32%)

32,433 (28%)

48,128 (40%)

40,281 (33%)

32,532 (27%)

Troponin

5050 (4%)

45,168 (39%)

64,995 (56%)

5233 (4%)

48,202 (40%)

67,506 (56%)