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Table 4 Outcomes comparison by age group and injury severity

From: Sex-based differences in outcomes after severe injury: an analysis of blunt trauma patients in China

Variables 13 ≤ Age < 45 45 ≤ Age < 50 Age ≥50
16 ≤ ISS < 25 ISS ≥25 16 ≤ ISS < 25 ISS ≥25 16 ≤ ISS < 25 ISS ≥25
  Male Female P Male Female P Male Female P Male Female P Male Female P Male Female P
n 583 155 - 213 108   57 18   25 12   357 80   132 49  
Ventilator, % 51 (8.7%) 5 (3.2%) 0.021 41 (19.2%) 10 (9.3%) 0.021 5 (8.8%) 1 (3.0%) 0.623 5 (20.0%) 1 (12.3%) 0.367 27 (7.6%) 3 (3.8%) 0.223 33 (24.6%) 5 (10.2%) 0.03
Duration of ventilation, days 6.8 ± 5.2 6.6 ± 6.1 0.682 10.8 ± 7.1 9.7 ± 6.3 0.175 6.2 ± 5.0 5.8 ± 7.2 0.792 10.6 ± 7.4 9.1 ± 6.3 0.550 6.7 ± 4.8 6.1 ± 5.3 0.322 10.1 ± 6.7 8.4 ± 5.9 0.12
Days at ICU 9.3 ± 3.7 8.8 ± 4.6 0.157 11.1 ± 8.2 9.3 ± 8.9 0.072 7.6 ± 4.3 11.4 ± 3.8 0.001 9.6 ± 7.6 13.5 ± 9.3 0.183 11.2 ± 4.5 12.0 ± 3.9 0.142 12.3 ± 7.8 16.1 ± 9.0 0.006
Length of hospital stay, days 21.3 ± 11.3 22.6 ± 10.6 0.198 23.1 ± 12.5 24.3 ± 13.2 0.426 19.4 ± 12.3 18.1 ± 15.6 0.716 21.2 ± 14.9 19.3 ± 15.6 0.723 19.8 ± 13.8 23.1 ± 14.3 0.056 21.5 ± 16.3 25.8 ± 15.1 0.11
Mortality, n(%) 36 (6.2%) 3 (1.9%) 0.036 30 (14.1%) 3 (2.8%) 0.002 2 (3.5%) 1 (5.6%) 0.828 3 (12.0%) 1 (8.3%) 0.737 26 (7.3%) 4 (5.0%) 0.465 28 (21.2%) 4 (8.2%) 0.041
  1. ISS Injury Severity Score, ICU Intensive Care Unit