Skip to main content

Table 1 Baseline characteristics of cases and controls

From: Comparison of risk prediction scoring systems for ward patients: a retrospective nested case-control study

Characteristics

Controls

Cases

P value

(n = 328)

(n = 328)

Demographics

   

Age, median (IQR)

64 (49-78)

67 (55-79)

0.01

Body mass index, median (IQR)

28 (23-32)

27 (23-31)

0.3

Female, n (%)

207 (63)

173 (53)

0.01

Race, n (%)

  

0.02

White, non-Hispanic

60 (18)

93 (28)

 

Black, non-Hispanic

111 (34)

96 (29)

 

Hispanic

134 (41)

109 (33)

 

Other

23 (7)

30 (9)

 

Service, n (%)

  

0.2

Medical

269 (82)

255 (78)

 

Surgical

59 (18)

73 (22)

 

Suspected source of infection, n (%)

  

Pneumonia

84 (26)

135 (42)

<0.001

Urinary tract

92 (28)

73 (22)

0.09

Skin or soft tissue

20 (6)

14 (4)

0.3

Peritonitis

3 (1)

9 (3)

0.14

Other

134 (41)

119 (36)

0.3

Comorbidities, n (%)

   

Severe sepsis

106 (32)

248 (76)

<0.001

Chronic liver disease

77 (23)

83 (25)

0.6

Chronic pulmonary disease

136 (41)

123 (38)

0.3

Chronic renal disease

82 (25)

89 (27)

0.6

Congestive heart failure

97 (30)

125 (38)

0.02

Diabetes mellitus

122 (41)

127 (43)

0.7

History of myocardial infarction

49 (15)

57 (17)

0.5

Human immunodeficiency virus

21 (6)

15 (5)

0.4

Malignancy

61 (19)

76 (23)

0.17

Metastatic

23 (7)

29 (9)

0.5

  1. IQR, interquartile range.