Table 3.

Use of various anesthesia or analgesia in total hip arthroplasty (THA) and total knee arthroplasty (TKA)

	Mean (%)	Standard deviation (%)	Median (%)	25th percentile (%)	75th percentile (%)
THA anesthesia/analgesia
General anesthesia	20	24	10	1	32
Spinal anesthesia	83	28	99	79	100
Local analgesia	47	45	34	0	99
TKA anesthesia/analgesia
General anesthesia	18	20	10	2	28
Spinal anesthesia	81	28	97	73	100
Local analgesia	82	34	100	91	100
Regional nerve blocks	61	42	83	10	100