Table 1.

Summary of study characteristics

	Study name, year
	COMBAT, 2018	PAMPer, 2018	PREHO-PLYO, 2022
Study design	RCT	RCT	RCT
Population (P)	65	230	68
Population (C)	60	271	66
Median age (P)	33.0 (25.0–51.0)	44.0 (21.0–59.0)	36.6 (26.8–49.5)
Median age (C)	32.5 (25.5–42.0)	46.0 (29–60.0)	33.6 (25.2–47.6)
ISS (P)	27.0 (10.0–41.0)	22.0 (14.0–33.0)	29 (12.0–48.0)
ISS (C)	27.0 (11.5–36.0)	21.0 (12.0–29.0)	25.0 (9.0–41.0)

All data are presented in number or median and IQR. P: Plasma group, C: Control group, IQR: Interquartile range, RCT: Randomized controlled trial, ISS: Injury severity score