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Table 6 Summary statistics of 106 non-SH and 105 SH patients both in the MT group

From: A joint latent class model for classifying severely hemorrhaging trauma patients

  Non-SH and MT SH and MT P value
Mean (SD) Mean (SD)
Patient characteristics
 Age (year) 40.01 (17.58) 40.94 (19.69) 0.720
 Gender (male) 80 (76 %) 83 (78 %) 0.538
 SBP (mmHg) 110.84 (30.79) 96.00 (33.09) 0.000*
 pH 7.24 (0.14) 7.16 (0.17) 0.001*
 Heart rate (bpm) 116.28 (27.17) 114.53 (27.72) 0.644
 Respiratory rate 21.38 (7.83) 23.40 (8.97) 0.128
 Hemoglobin 10.76 (2.68) 10.80 (2.68) 0.915
 Death, 0–24 h 3 (3 %) 48 (46 %) 0.000*
 Death, 0–30 h 19 (18 %) 56 (53 %) 0.000*
Blood product usage
 RBC, 0–6 h (units) 12.08 (7.39) 21.79 (13.90) 0.000*
 RBC, 0–24 h (units) 16.18 (8.28) 26.67 (14.18) 0.000*
 Plasma, 0–6 h (units) 7.66 (5.92) 11.38 (8.87) 0.001*
 Plasma, 0–24 h (units) 11.20 (6.80) 14.98 (11.76) 0.005*
 Platelets, 0–6 h (units) 5.15 (7.73) 5.75 (8.29) 0.586
 Platelets, 0–24 h (units) 9.21 (10.10) 9.65 (14.14) 0.795
 Plasma/RBC ratio, 0–24 h 0.71 (0.35) 0.55 (0.36) 0.001*
 Platelet/RBC ratio, 0–24 h 0.48 (0.34) 0.37 (0.44) 0.037*
  1. P values were obtained by comparing two subgroups