Table IV.

Comparison of 12-Item Short Form Health Survey Physical Component Summary (SF-12 PCS) Score.

Endpoint	Patients with data	Adjusted mean difference in score, NPWT vs standard wound dressing (95% CI)*	p-value†
SF-12 PCS‡	5,168 observations among 1,040 participants	-4.23 (-5.73 to -2.73)	< 0.001

^*The mean difference was obtained from the multi-level model.

^†Asymptotic Wald test.

^‡Minimally important difference was set at five points.

CI, confidence interval; NWPT, negative pressure wound therapy.