Table 1 Demographic and clinical characteristics in children admitted to intensive care unit
From: Height status matters for risk of mortality in critically ill children
| Â | Overall | Short stature | Normal height | p value |
|---|---|---|---|---|
Subjects, No. (%) | 6,377 | 1,732 (27.2) | 4,645 (72.8) | Â |
Age (year), median [IQR] | 2 [0, 8] | 2 [0, 6] | 3 [0, 8] |  < 0.01†††|
Female sex, No. (%) | 2,913 (45.7) | 829 (47.9) | 2,084 (44.9) | 0.04†|
Reason for ICU admission, No. (%) |  |  |  |  < 0.01††|
 Cardiovascular | 1,724 (27.0) | 511 (29.5) | 1,213 (26.1) |  |
 Respiratory | 1,476 (23.1) | 468 (27.0) | 1,008 (21.7) |  |
 Neurological | 1,391 (21.8) | 241 (13.9) | 1,150 (24.8) |  |
 Gastrointestinal | 735 (11.5) | 251 (14.5) | 484 (10.4) |  |
 Cardiopulmonary arrest | 84 (1.3) | 25 (1.4) | 59 (1.3) |  |
 Sepsis | 39 (0.6) | 17 (1.0) | 22 (0.5) |  |
 Others | 928 (14.6) | 219 (12.6) | 709 (15.3) |  |
Emergency admission, No. (%) | 2,279 (35.7) | 648 (37.4) | 1,631 (35.1) | 0.09†|
Admission category, No. (%) |  |  |  |  < 0.01††|
 Post-elective surgery | 4,061 (63.7) | 1,079 (62.3) | 2,982 (64.2) |  |
 Post-emergency surgery | 494 (7.7) | 93 (5.4) | 401 (8.6) |  |
 Non-surgical | 1,822 (28.6) | 560 (32.3) | 1,262 (27.2) |  |
BMI SD score, mean (SD) | −0.44 (1.52) | −0.62 (1.85) | −0.37 (1.37) |  < 0.01 |
BMI status, No. (%) |  |  |  |  < 0.01††|
 Underweight | 931 (14.6) | 396 (22.9) | 535 (11.5) |  |
 Normal weight | 4,433 (69.5) | 1,026 (59.2) | 3,407 (73.3) |  |
 Overweight | 722 (11.3) | 178 (10.3) | 544 (11.7) |  |
 Obese | 291 (4.6) | 132 (7.6) | 159 (3.4) |  |
Height SD score, mean (SD) | −1.15 (2.03) | −3.69 (1.66) | −0.20 (1.15) |  < 0.01 |
PIM2, median [IQR] | 0.9 [0.2, 2.1] | 1.2 [0.4, 2.6] | 0.8 [0.2, 1.9] |  < 0.01†††|
Estimated mortality by PIM2 (%) | 214.3 (3.4) | 69.9 (4.0) | 144.4 (3.1) | 0.08†|
Length of ICU stay (day), median [IQR] | 3.0 [2.0, 6.0] | 3.0 [2.0, 7.0] | 3.0 [2.0, 6.0] |  < 0.01†††|
ICU mortality (%) | 129 (2.0) | 63 (3.6) | 66 (1.4) |  < 0.01†|