Supercapsular percutaneously-assisted total hip (SuperPath) versus posterolateral total hip arthroplasty in bilateral osteonecrosis of the femoral head: a pilot clinical trial

Table 4 Pain VAS and HHS

Parameters	Timings	SuperPath	PLA
Pain VAS	preop	8.25 ± 0.95	8.00 ± 0.81
	postop day 1	8.25 ± 0.95	7.00 ± 0.81
	postop day 3	7.00 ± 1.41	6.50 ± 0.57
	postop day 14	5.50 ± 1.29	4.25 ± 1.25
	postop 3 months	2.25 ± 0.50	1.75 ± 0.50
	postop 6 months	0.75 ± 0.50	0.75 ± 0.50
	postop 12 months	0.50 ± 0.57	0.25 ± 0.50
HHS	preoperative	37.86 ± 13.27	37.66 ± 7.02
	postop day 1	49,75 ± 12.50	55.75 ± 9.60
	postop day 3	54.25 ± 11.79	59.50 ± 8.06
	postop day 14	62.50 ± 8.34	77.50 ± 3.41
	postop 3 months	72.25 ± 3.86	83.25 ± 2.36
	postop 6 months	84.25 ± 6.18	86.75 ± 3.86
	postop 12 months	92.50 ± 1.73	92.50 ± 1.73

Values are expressed as mean ± standard deviation. HHS Harris hip score, PLA posterolateral approach, SuperPath Supercapsular Percutaneously-Assisted Total Hip, VAS Visual analogue scale, n.a. Not applicable

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