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

Table 2

Postoperative and follow-up evaluation.

	Posterior approach ()	TSPS approach ()	value
LOS (days)			0.0001
Hb postoperative day 1 (g/dl)			0.0178
Hb postoperative day 2 (g/dl)			0.0942
Blood loss (g/dl)			0.0001
Transfusion (Y/N)	4/15	1/18	0.1499
4-month HHS			0.1024
4-month WOMAC			0.0685

Statistically significant comparisons () are marked in bold and with . Abbreviations: TSPS: tissue-sparing posterior superior; LOS: length of stay; R: right; L: left; Hb: hemoglobin; HHS: Harris hip score; WOMAC: Western Ontario and McMaster Universities Arthritis Index.