TABLE 2.
Demographic Characteristics of Case and Control Subjects (Univariate Analysis)
| Characteristic | Case Subjects (n = 88) | Control Subjects (n = 176) | P |
|---|---|---|---|
|
| |||
| Age | 11.9 ± 5.2 | 12.0 ± 5.1 | |
| Male gender | 40 (45) | 80 (45) | |
| Presence of CVC | 30 (34) | 60 (34) | |
| BMI category | .001 | ||
| Normal weight | 41 (47) | 122 (69) | |
| Overweight | 14 (16) | 12 (7) | |
| Obese | 33 (38) | 42 (24) | |
| BMI percentilea | 74.0 ± 30.0 | 64.5 ± 29.3 | .014 |
| BMI z scorea | 1.05 ± 1.2 | 0.58 ± 1.1 | .002 |
| LOSa | 16.2 ± 21.5 | 6.2 ± 8.0 | <.001 |
| Bacteremia | 9 (10) | 4 (2) | .012 |
| ICU stay | 26 (30) | 23 (13) | .001 |
| Immobilization >72 h | 23 (26) | 19 (11) | .001 |
| Use of OCPs | 11 (13) | 2 (1) | <.001 |
| Malignancy | 15 (17) | 23 (13) | .39 |
Data are presented as mean ± SD or n (%).
a
P value calculated by using an analysis of variance model; other P values were calculated by using the Pearson χ2 test or the Fisher exact test.