Table 1 Baseline characteristics of all patients in the training cohort and validation cohort.
From: A nomogram for predicting hemorrhagic shock in pediatric patients with multiple trauma
Variables | Training cohort(n = 325) M (P25, P75)/N (%) | Validation cohort(n = 144) M (P25, P75)/N (%) | P-value* |
|---|---|---|---|
Age (years) | 4.67 (2.75, 7.75) | 5.00 (2.90, 7.80) | 0.459 |
Gender | 0.767 | ||
Female | 115 (35.4) | 53 (36.8) | |
Male | 210 (64.6) | 91 (63.2) | |
Cause of injury | 0.066 | ||
Traffic injury | 146 (44.9) | 78 (54.2) | |
Falling injury | 130 (40.0) | 54 (37.5) | |
Others | 49 (15.1) | 12 ( 8.3) | |
Organ injury | 0.096 | ||
Yes | 151 (46.5) | 55 (38.2) | |
No | 174 (53.5) | 89 (61.8) | |
ΔSBP (mmHg) | 15.00 (6.00, 28.00) | 17.00 (8.00, 26.00) | 0.659 |
ΔDBP (mmHg) | 3.00 (-6.00, 13.00) | 4.00 (-4.00, 14.00) | 0.733 |
Body temperature (℃) | 37.20 (36.60, 37.70) | 37.00 (36.70, 37.50) | 0.151 |
Hb (g/L) | 103.00 (88.00, 116.00) | 105.00 (90.00, 118.00) | 0.325 |
WBC (× 109/L) | 13.42 (9.86, 18.74) | 13.45 (9.12, 19.18) | 0.770 |
PLT (× 109/L) | 241.00 (176.00, 305.00) | 251.50 (189.00, 315.00) | 0.368 |
APTT (s) | 27.10 (24.90, 30.10) | 27.60 (24.70, 32.20) | 0.328 |
PT (s) | 12.90 (11.80, 16.20) | 12.90 (11.70, 15.40) | 0.486 |
pH | 7.39 (7.34, 7.42) | 7.39 (7.35, 7.42) | 0.61 |
Lac (mmol/L) | 2.00 (1.30, 3.30) | 2.10 (1.37, 3.40) | 0.678 |
BE (mmol/L) | -2.90 (-5.00, -1.10) | -3.20 (-4.90, -1.48) | 0.377 |
HCT | 32.70 (28.00, 36.60) | 33.50 (29.17, 36.40) | 0.488 |
Glu (mmol/L) | 7.30 (6.20, 9.20) | 7.50 (6.37, 9.30) | 0.376 |
GCS | 13.00 (8.00, 13.00) | 12.00 (7.00, 13.00) | 0.116 |
ISS | 19.00 (10.00, 29.00) | 18.00 (12.00, 23.00) | 0.082 |
