TABLE 2.

Emergency department length of stay

	Before PS matching			After PS matching
	Triage group (n = 363)	After examination group (n = 2191)	Median difference (95% CI)	Triage (n = 329)	After examination group (n = 329)	Median difference (95% CI)
ED length of stay (min), median (IQR)	83 (61–114)	100 (76–137)	16 (12–21)	81 (60–111)	106 (80–142)	24 (17–30)
Arrival‐to‐order time (min), median (IQR)	25 (15–35)	45 (31–64)	20 (18–22)	23 (14–34)	52 (33–74)	26 (22–30)
Order‐to‐result time (min), median (IQR)	18 (15–24)	18 (15–24)	0 (−1–0)	18 (15–23)	18 (14–23)	0 (−1–0)
Result‐to‐discharge time (min), median (IQR)	32 (20–56)	26 (17–47)	−5 (−7 to −2)	32 (20–56)	28 (17–46)	−4 (−7 to −1)

Arrival‐to‐order time, from the time patients was registered to ED index to the time RIDT was ordered at medical chart. Order‐to‐result time, from the time RIDT was ordered on the medical chart to the time the RIDT result was recorded on the medical chart. Result‐to‐discharge time, from the time the RIDT result was recorded on the medical chart to the time patient had completed payment.

CI, confidence interval; IQR, interquartile range; PS, propensity score; RIDT, rapid influenza diagnostic test.