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Table 1 Demographic- and trauma-related data and comparison among age groups

From: Motorcycle-related trauma:effects of age and site of injuries on mortality. A single-center, retrospective study.

VariablesAge groups (%)p
≤ 17 (134)18–54 (1447)≥ 55 (144)Total (1725) 
Gender    0.054
 Male114 (85.1)1303 (90)135 (93.8)1552 (90) 
 Female20 (14.9)144 (10)9 (6.3)173 (10) 
Age     
 Mean15.6346134.85 
 S.D.2.29.95.813.12 
Outcome    0.049**
 Survived128 (95.5)1382 (95.5)131 (91)1641 (95.1) 
 Dead6 (4.5)65 (4.5)13 (9)84 (4.9) 
ASA***    < 0.001*
 151 (100)724 (88.5)61 (55.5)836 (85.4) 
 2090 (11)41 (37.3)131 (13.4) 
 304 (0.5)8 (7.3)12 (1.2) 
ISS    0.662
 Mean16.3416.9618.2217.02 
 S.D.13.0714.4416.1214.48 
RTS    0.702
 Mean7.237.167.077.16 
 S.D.1.471.521.871.55 
Probability of survival     
 Mean91.44%90.97%81.46%90.21%< 0.001*
 S.D.19.0921.129.2921.91 
Length of hospitalization (days)    0.648
 Mean15.917.0414.8516.76 
 S.D.20.2822.6717.8122.13 
  1. ASA American Society of Anesthesiologists, ISS Injury Severity Score, RTS Revised Trauma Score, TRISS Trauma and Injury Severity Score
  2. *Significant value
  3. **Log-rank test
  4. ***Data available only for 979 patients