Comparison of a Minimally Invasive Tissue-Sparing Posterior Superior (TSPS) Approach and the Standard Posterior Approach for Hip Replacement

Table 1

Demographic characteristics of the patients.

Characteristics	Posterior approach ()	TSPS approach ()	value
Sex (M/F)	11/8	15/4	0.2952
Age at surgery (y)			0.7724
Side (R/L)	11/8	10/9	1.0000
BMI (kg/m^2)			0.5990
ASA classification (grade)			0.4612
I	6 (32%)	4 (21%)
II	13 (68%)	14 (74%)
III	0 (0%)	1 (5%)
Preoperative HHS			0.8129
Preoperative WOMAC			0.5192

Statistically significant comparisons () are marked in bold and with . Abbreviations: TSPS: tissue-sparing posterior superior; M: males; F: females; R: right; L: left; BMI, body mass index; ASA: American Society of Anesthesiologists; HHS: Harris hip score; WOMAC: Western Ontario and McMaster Universities Arthritis Index.