Table 2.
Distribution of intensive care unit patients according to the main reason for admission, BMI, and survival. P denotes the difference in survival between obese and nonobese patients.
| Reasons for admission | Nonobese (BMI ≤ 29.9) | Obese (BMI ≥ 30) | P | |||||
|---|---|---|---|---|---|---|---|---|
| BMI ≤ 18.5 | 18.6 ≤ BMI ≥ 24.9 | 25 ≤ BMI ≥ 29.9 | All | 30 ≤ BMI ≥ 39.9 | BMI ≥ 40 | All | ||
| Spontaneous intracranial hemorrhage (87) | 0 (0%) | 32 (25%) | 53 (28%) | 85 (27%) | 2 (50%) | 0 (0%) | 2 (50%) | 1.000 |
| Sepsis (125) | 0 (0%) | 40 (35%) | 47 (51%) | 87 (44%) | 33 (85%) | 5 (20%) | 38 (76%) | <0.001 |
| Respiratory insufficiency (82) | 4 (50%) | 25 (20%) | 34 (41%) | 63 (33%) | 14 (50%) | 5 (0%) | 19 (37%) | 0.788 |
| Postoperative observation (373) | 5 (0%) | 159 (9%) | 138 (13%) | 302 (11%) | 60 (2%) | 11 (18%) | 71 (4%) | 0.115 |
| Trauma (125) | 0 (0%) | 63 (17%) | 40 (15%) | 103 (17%) | 20 (0%) | 2 (100%) | 22 (9%) | 0.734 |
| Othersa (42) | 0 (0%) | 10 (40%) | 21 (29%) | 31 (32%) | 9 (33%) | 2 (100%) | 11 (45%) | 0.481 |
| All (834) | 9 (22%) | 329 (17%) | 333 (25%) | 671 (21%) | 138 (29%) | 25 (28%) | 163 (29%) | 0.037 |
Data are number or patients that survived/deceased.
BMI (kg/m2).
aComa, epilepsy, myocardial infarction, and intoxication.