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Table 4 Parameters that vary significantly between different infection site subgroups

From: Physician agreement on the diagnosis of sepsis in the intensive care unit: estimation of concordance and analysis of underlying factors in a multicenter cohort

Parameter

Mean ± SD (non-respiratory)

Mean ± SD (respiratory)

p value1

Number in group

48

49

 

Overall agreement

0.85 ± 0.05

0.62 ± 0.08

6.0E-09

Free-marginal κ

0.77 ± 0.07

0.43 ± 0.12

6.8E-09

No. of indeterminates (identified by discharge consensus assessment)

6/48 = 12.5%

15/49 = 30.6%

0.030

Lowest MAP

53.9 ± 16.4

64.4 ± 17.1

0.003

Max temperature

38.3 ± 1.0

37.7 ± 0.8

0.002

Min temperature

36.0 ± 0.70

36.4 ± 0.7

0.03

Log2 PCT

2.58 ± 3.10

− 0.46 ± 3.82

0.001

  1. Patients with identified sites of infection (N = 97) were stratified into the following subgroups: non-respiratory (abdominal + urinary + other; N = 48) and respiratory (pneumonia + non-pneumonia; N = 49). Parameters that varied significantly (p < 0.05) between these two groups were identified by statistical testing (t test for continuous parameters; two-proportions z-test for categorical parameters)
  2. 1Two-tailed t test for all parameters except for overall agreement and number of indeterminates, for which a two-proportion z-test was run instead (www.vassarstats.net)