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Table 5 Sex and outcomes of the trauma patients with reverse shock index (RSI) < 1 or RSI ≥ 1 in levels I–III of the Taiwan Triage and Acuity Scales system

From: Use of the reverse shock index for identifying high-risk patients in a five-level triage system

Triage: I RSI < 1 RSI  1 Odds ratio p
Variables N = 130 N = 493 (95 % CI)
Gender     0.990
 Male (n, %) 95 (73.1) 360 (73.0) 1.0 (0.65–1.55)  
 Female (n, %) 35 (26.9) 133 (27.0) 1.0 (0.65–1.54)  
ISS     
 Median (IQR) 20 (12–29) 17 (9–25) - 0.007
LOS days 21.8±22.9 18.7±18.8 - 0.102
ICU     
n (%) 92 (70.8) 324 (65.7) 1.3 (0.83–1.92) 0.277
 Days 15.5±22.9 11.7±11.5 - 0.030
Mortality 26 (20.0) 70 (14.2) 1.5 (0.92–2.49) 0.105
Triage: II RSI < 1 RSI  1 Odds ratio p
Variables N = 153 N = 3180 (95 % CI)
Gender     0.025
 Male (n, %) 120 (78.4) 2224 (69.9) 1.6 (1.06–2.32)  
 Female (n, %) 33 (21.6) 956 (30.1) 0.6 (0.43–0.95)  
ISS     
 Median (IQR) 10 (4–17) 6 (4–13) - <0.001
LOS days 15.0±14.3 11.1±10.9 - <0.001
ICU     
n (%) 61 (39.9) 748 (23.5) 2.2 (1.54–3.01) <0.001
 days 8.8±14.8 8.2±11.0 - 0.698
Mortality 7 (4.6) 20 (0.6) 7.2 (2.98–17.31) <0.001
Triage III RSI < 1 RSI  1 Odds ratio p
Variables N = 59 N = 6463 (95 % CI)
Gender     0.846
 Male (n, %) 36 (61.0) 3863 (59.8) 1.1 (0.62–1.78)  
 Female (n, %) 23 (39.0) 2600 (40.2) 0.9 (0.56–1.61)  
ISS     
 Median (IQR) 5 (4–16) 4 (4–9) - <0.001
LOS days 12.2±10.4 7.2±7.2 - <0.001
ICU     
n (%) 15 (25.4) 484 (7.5) 4.2 (2.33–7.62) <0.001
 Days 7.0±6.9 7.2±7.2 - 0.932
Mortality 1 (1.7) 13 (0.2) 8.5 (1.09–66.15) 0.041