Table 2.
Summary of the analysis of demographic characteristics and laboratory parameters of intra-abdominal injury patients.
| Without intra-abdominal injury (n = 2472) | With intra-abdominal injury (n = 132) | p | |
|---|---|---|---|
| Sex | |||
| Female | n = 649 (26.3%) | n = 26 (19.7%) | p = 0.093 |
| Male | n = 1821 (73.7%) | n = 106 (80.3%) | |
| Mechanism | |||
| Inside-the-vehicle accident | n = 1357 (54.9%) | n = 67 (50.8%) | p = 0.183 |
| Outside-the-vehicle accident | n = 497 (20.1%) | n = 27 (20.5%) | |
| Motorcycle accident | n = 399 (16.1%) | n = 17 (12.9%) | |
| Fall | n = 219 (8.9%) | n = 21 (15.9%) | |
| Area of injury | |||
| Head | n = 244 (9.9%) | n = 28 (21.2%) | p < 0.001 |
| Thorax | n = 167 (6.8%) | n = 80 (60.8%) | |
| Vertebra | n = 128 (5.2%) | n = 14 (14.4%) | |
| Pelvis | n = 67 (2%) | n = 21 (15.9%) | |
| Extremity | n = 191 (7.7%) | n = 7 (5.3%) | |
| GCS (median) | 15 (IQR 15 to 15) (n = 2472) | 15 (IQR 15 to 15) (n = 132) | p < 0.001 |
| ISS (median) | 0 (IQR 0 to 9) (n = 2472) | 50 (IQR 34 to 75) (n = 132) | p < 0.001 |
| Referral SBP (median) | 126 (IQR 110 to 140) mm Hg (n = 2419) | 120 (IQR 101 to 135) mm Hg (n = 127) | p = 0.024 |
| Referral Pulse Rate (median) | 84 (IQR 76 to 93) beats/min (n = 2371) | 94 (IQR 80 to 116) beats/min (n = 123) | p < 0.001 |
| Referral Shock Index (median) | 0.66 (IQR 0.58 to 0.76) (n = 2371) | 0.77 (IQR 0.60 to 0.95) (n = 123) | p < 0.001 |
| Hemoglobin (median) | 14.20 (IQR 12.90 to 15.20)g/dL (n = 2320) | 13.75 (IQR 12 to 14.95) g/dL (n = 130) | p = 0.001 |
| CK (median) | 152.50 (IQR 101 to 240)U/L (n = 866) | 400 (IQR 290 to 618) U/L (n = 87) | p < 0.001 |
| Myoglobin (median) | 106 (IQR 49 to 313.50) ng/mL (n = 793) | 929 (IQR 423.75 to 1000) ng/mL (n = 84) | p < 0.001 |
| ALT (median) | 22 (IQR 16 to 34) IU/L (n = 1864) | 92.50 (IQR 26.50 to 217.75) IU/L (n = 120) | p < 0.001 |
| AST (median) | 24 (IQR 19 to 32) IU/L (n = 1730) | 86 (IQR 32 to 234.25) IU/L (n = 98) | p < 0.001 |
| Amylase (median) | 65 (IQR 51 to 85) IU/L (n = 902) | 85.50 (IQR 57 to 119) IU/L (n = 76) | p = 0.005 |
| Lipase (median) | 32 (IQR 24 to 42)IU/L (n = 1146) | 58.50 (IQR 31 to 114.5) IU/L (n = 94) | p = 0.001 |
GCS: Glasgow coma scale, ISS: injury severity score, SBP: systolic blood pressure, CK: creatinine kinase, ALT: alanine amino transferase, AST: aspartate aminotransferase, IQR: Interquartile range.