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Table 1 Demographics and injury characteristics of obese and normal-weight adult trauma patients

From: Traumatic injuries among adult obese patients in southern Taiwan: a cross-sectional study based on a trauma registry system

Variables Obese BMI ≥ 30 n = 880 Normal 25 > BMI ≥ 18.5 n = 5391 Odds ratio (95 %) P
Gender
 Male 599(68.1) 3279(60.8) 1.4(1.18–1.60) <0.001
 Female 281(31.9) 2112(39.2) 0.7(0.63–0.85) <0.001
Age 42.8 ± 13.4 42.9 ± 13.8 0.907
Comorbidity
 DM 136(15.5) 374(6.9) 2.5(1.99–3.03) <0.001
 HTN 249(28.3) 609(11.3) 3.1(2.62–3.67) <0.001
 CAD 13(1.5) 46(0.9) 1.7(0.94–3.24) 0.075
 CHF 8(0.9) 13(0.2) 3.8(1.57–9.18) 0.005
 CVA 15(1.7) 67(1.2) 1.4(0.78–2.42) 0.264
 ESRD 0(0.0) 5(0.1) 1.000
Transpose, n(%)
 EMS 341(38.8) 2007(37.2) 1.1(0.92–1.24) 0.387
 Private vehicle 240(27.3) 1628(30.2) 0.9(0.74–1.02) 0.078
 Transferred 299(34.0) 1756(32.6) 1.1(0.92–1.24) 0.411
Mechanism, n(%)
 Motor vehicle driver 23(2.6) 98(1.8) 1.5(0.92–2.30) 0.112
 Motor vehicle passenger 13(1.5) 51(0.9) 1.6(0.85–2.90) 0.146
 Motorcycle driver 452(51.4) 2559(47.5) 1.2(1.01–1.35) 0.032
 Motorcycle pillion 14(1.6) 142(2.6) 0.6(0.34–1.04) 0.065
 Bicycle 19(2.2) 166(3.1) 0.7(0.43–1.12) 0.135
 Pedestrian 6(0.7) 94(1.7) 0.4(0.17–0.89) 0.020
 Fall 155(17.6) 1061(19.7) 0.9(0.72–1.05) 0.150
 Penetrating injury 39(4.4) 330(6.1) 0.7(0.51–1.00) 0.053
 Burn 28(3.2) 155(2.9) 1.1(0.74–1.67) 0.616
 Struck by/against 131(14.9) 735(13.6) 1.1(0.91–1.36) 0.318
Alcohol > 50, n(%) 62(7.0) 500(9.3) 0.7(0.56–0.98) 0.032
Time, n(%)
 7:00–17:00 515(58.5) 2964(55.0) 1.2(1.00–1.34) 0.053
 17:00–23:00 228(25.9) 1529(28.4) 0.9(0.75–1.04) 0.133
 23:00–7:00 137(15.6) 898(16.7) 0.9(0.76–1.12) 0.420
GCS 14.5 ± 2.0 14.3 ± 2.2 0.041
  ≤ 8 27(3.1) 258(4.8) 0.6(0.42–0.94) 0.023
 9–12 38(4.3) 192(3.6) 1.2(0.86–1.74) 0.268
  ≥ 13 815(92.6) 4941(91.7) 1.1(0.87–1.50) 0.336
AIS, n(%)
 Head/Neck 195(22.2) 1349(25.0) 0.9(0.72–1.01) 0.067
 Face 137(15.6) 1055(19.6) 0.8(0.62–0.92) 0.005
 Thorax 130(14.8) 625(11.6) 1.3(1.08–1.62) 0.007
 Abdomen 64(7.3) 356(6.6) 1.1(0.84–1.46) 0.462
 Extremity 659(74.9) 3952(73.3) 1.1(0.92–1.28) 0.325
ISS 8.2 ± 7.3 8.2 ± 7.2 0.790
  < 16 754(85.7) 4621(85.7) 1.0(0.81–1.22) 0.978
 16–24 82(9.3) 541(10.0) 0.9(0.72–1.18) 0.510
  ≥ 25 44(5.0) 229(4.2) 1.2(0.85–1.65) 0.311
NISS 9.6 ± 8.7 9.5 ± 8.8 0.712
TRISS 0.971 ± 0.093 0.968 ± 0.102 0.347
Mortality, n(%) 11(1.3) 63(1.2) 1.1(0.56–2.04) 0.836
LOS (days) 10.6 ± 11.3 9.2 ± 10.0 <0.001
ICU
 Patients, n(%) 149(16.9) 884(16.4) 1.0(0.86–1.26) 0.692
   < 16 63(7.2) 353(6.5) 1.1(0.83–1.45) 0.499
  16–24 49(5.6) 335(6.2) 0.9(0.65–1.21) 0.459
   ≥ 25 37(4.2) 196(3.6) 1.2(0.81–1.67) 0.408
 LOS in ICU (days) 9.2 ± 9.7 8.8 ± 11.0 0.660
   < 16 7.5 ± 6.3 8.7 ± 9.6 0.355
  16–24 7.7 ± 8.6 7.0 ± 10.6 0.689
   ≥ 25 14.2 ± 13.7 12.1 ± 13.2 0.371