Table 2.
Combined data (95% CI) | P value | Progressed until NPWT no longer required | Including NPWT discontinued prematurely | |
---|---|---|---|---|
% reduction in volume | 88·0 (59·8–94·1) (n = 17) | <0·001 | 92·2 (n = 11) | 63·7 (n = 6) |
% reduction in area | 68·0 (55·6–78·6) (n = 26) | <0·001 | 81·7 (n = 17) | 44·1 (n = 9) |
% reduction in depth | 57·4 (38·1–72·7) (n = 17) | <0·005 | 71·8 (n = 10) | 46·7 (n = 7) |
95% CI, 95% confidence interval; NPWT, negative pressure wound therapy.
Wound size was measured at the onset of NPWT and immediately following discontinuation of the therapy. Median percentage reduction in wound size from initial measurements and 95% CI were calculated. Statistical significance of the reduction in size was calculated compared with the baseline measurement. A subanalysis was carried out to assess the percentage reduction in wound size according to whether therapy was discontinued because the wound had progressed to a stage where NPWT was no longer required or was discontinued for non wound‐related factors.