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Table 1 Variables by body mass index categories

From: The impact of obesity on sepsis mortality: a retrospective review

Variable All Body mass index P-value
Underweight Normal weight Overweight Obese Morbidly obese
Subjects, N (%) 792 (100) 49 (6) 261 (33) 249 (31) 187 (24) 46 (6)  
Age +
 Years 61.9 ± 17.2 60.3 ± 22.9 61.2 ± 19.2 64.2 ± 16.0 60.8 ± 14.2 60.2 ± 13.7 0.17
Gender *
 Female 362 (46) 32 106 105 85 34 < 0.01
 Male 430 (54) 17 155 144 102 12
Race *
 White 726 (92) 43 247 221 174 41 0.03
 Black 41 (5) 2 11 14 9 5
 Other 24 (3) 4 3 13 4 0
Length of stay †
 Days 9.1 ± 8.2 8.1 ± 7.2 9.3 ± 8.5 8.8 ± 7.8 9.0 ± 8.1 10.2 ± 9.6 0.64
APACHE II Score +
 Points 15.5 ± 5.9 16.2 ± 6.6 15.4 ± 5.8 15.6 ± 5.8 15.9 ± 6.1 14.2 ± 5.6 0.42
Mortality ‡
 Yes 129 (16) 12 46 40 25 6 0.06
 No 663 (84) 37 215 209 162 40
Diabetes ‡
 Yes 190 (24) 10 17 21 35 48 < 0.01
 No 602 (76) 90 83 79 75 52
Cancer ‡
 Yes 356 (45) 33 46 50 44 24 0.40
 No 436 (55) 67 54 50 56 76
Neutropenia ‡
 Yes 44 (6) 2 5 8 4 9 0.50
 No 748 (94) 98 95 92 96 91
Liver ‡
 Yes 43 (5) 4 5 6 4 9 0.61
 No 749 (95) 96 95 94 96 91
Cardiovascular Disease ‡
 Yes 188 (24) 24 21 24 25 28 0.33
 No 604 (76) 76 79 76 75 72
COPD ‡
 Yes 80 (10) 8 7 10 16 9 0.04
 No 712 (90) 92 93 90 84 91
Renal ‡
 Yes 30 (4) 4 6 3 2 4 0.14
 No 762 (96) 96 94 97 98 96
Immunosuppression ‡
 Yes 78 (10) 16 10 8 11 7 0.29
 No 714 (90) 84 90 92 89 93
  1. *Categorical data presented as N (%) or % and analyzed with Pearson Chi-square test (Exact test if necessary).
  2. +Numeric data presented as Mean ± SD and analyzed with Analysis of Variance.
  3. †Numeric data presented as Mean ± SD, log-transformed for analysis by Analysis of Variance.
  4. ‡Categorical data presented as N (%) or % and analyzed with Cochran-Armitage Trend test.