Table 2.

Peri‐operative data of patients transferred directly to the general ward or admitted to PACU after elective knee and hip arthroplasty. Values are number (proportion) or median (IQR [range]).

	Ward	PACU
	n = 307	n = 389
Type of procedure
Total knee arthroplasty	134 (44%)	140 (36%)
Unicompartmental knee arthroplasty	74 (24%)	61 (16%)
Total hip arthroplasty	99 (32%)	188 (48%)
Primary spinal anaesthesia	307 (100%)	309 (79%)
Bupivacaine; mg	10 (10–10 [5–15])	10 (10–10 [5–18])
General anaesthesia	0	76 (20%)
Combined epidural and spinal	0	4 (1.0%)
Converted to general anaesthesia	3 (1%)	39 (13%)
Sedation or supplemental analgesia during spinal anaesthesia
Opioids of all types	28 (9%)	48 (15.5%)
Sufentanil	25 (8%)	41 (13%)
Dose; μg	8 (5–8 [3–13])	10 (5–10 [3–35])
Alfentanil	2 (1%)	6 (2%)
Dose; mg	0.3 (0.3–0.4 [0.3–0.5])	0.3 (0.3–0.4 [0.3–1.0])
Pethidine	0	1 (0%)
Dose; mg	0	25 (25–25 [25–25])
Propofol	226 (74%)	212 (69%)
Intra‐operative blood loss; ml	200 (50–300 [0–500])	310 (100–550 [0–1930])