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Table 1 Baseline characteristics of the patients in all three cohorts

From: Development of clinical phenotypes and biological profiles via proteomic analysis of trauma patients

Variables Derivation cohort Validation cohort Osaka University cohort Overall
Number of patients 42,780 28,258 171 71,209
Age, years, median [IQR] 62 [38–77] 65 [42–79] 50 [34–71] 63 [40–78]
Male gender, no. (%) 27,545 (64.4) 17,934 (63.5) 128 (74.9) 45,607 (64.0)
CPS, median [IQR] 1 [1–1] 1 [1, 2] 0 [0–1] 1 [1–1]
Respiratory rate, median [IQR] 20 [17–24] 20 [17–24] 21 [18–26] 20 [17–24]
Heart rate, median [IQR] 83 [72–96] 83 [72–96] 90 [74–108] 83 [72–96]
Systolic blood pressure, median [IQR] 138 [119–158] 139 [120–160] 139 [119–161] 138 [119–159]
Body temperature (℃), median [IQR] 36.5 [36.0–36.9] 36.5 [36.1–36.9] 36.5 [36.0–36.9] 36.5 [36.0–36.9]
Glasgow Coma Scale, median [IQR] 15 [14, 15] 15 [14, 15] 14 [12–15] 15 [14, 15]
Head & Cervical AIS, median [IQR] 1 [0–4] 1 [0–4] 1 [0–4] 1 [0–4]
Face AIS, median [IQR] 0 [0–0] 0 [0–0] 0 [0–0] 0 [0–0]
Chest AIS, median [IQR] 0 [0–2] 0 [0–2] 0 [0–3] 0 [0–2]
Abdomen AIS, median [IQR] 0 [0–0] 0 [0–0] 0 [0–1] 0 [0–0]
Extremities AIS, median [IQR] 2 [0–3] 2 [0–3] 1 [0–2] 2 [0–3]
External AIS, median [IQR] 0 [0–0] 0 [0–0] 0 [0–0] 0 [0–0]
ISS, median [IQR] 13 [9–20] 13 [9–20] 17 [6–26] 13 [9–20]
RTS, median [IQR] 7.84 [7.55–7.84] 7.84 [7.84–7.84] 7.84 [6.90–7.84] 7.84 [7.55–7.84]
TRISS-PS, median [IQR] 0.97 [0.93–0.99] 0.97 [0.93–0.99] 0.97 [0.84–0.99] 0.97 [0.93–0.99]
Survival, no. (%) 40,344 (94.3) 26,753 (94.7) 161 (94.2) 67,258 (94.5)
  1. IQR interquartile range, CPS Charlson polypharmacy scale, AIS abbreviated injury scale, ISS injury severity scale, RTS revised trauma score, TRISS-PS, Trauma and Injury Severity Score and Probability of Survival