Table 7.

Perioperative Data Based on the Surgical Type of DIEP

Perioperative	Unilateral, Unipedicled (n = 52), N (%) or Median (IQR)	Bilateral, Unipedicled (n = 15), N (%) or Median (IQR)	Unilateral, Bipedicled (n = 31), N (%) or Median (IQR)	P
Use of mesh
No	45	13	30	0.300
Yes	7	2	1
Flap weight, g	514 (351–850)	517 (402–708)	673 (491–943)	0.279
Operative time, h:mm	7:40 (6:41–8:28)	9:08 (8:40–10:08)	8:29 (7:42–9:25)	<0.001
DIEP timing
Immediate	27	12	24	0.025
Delayed	25	3	7
Mastectomy weight, g (if immediate DIEP)	690 (419–900)	550 (367–792)	500 (330–700)	0.011

P values are from the χ2 and Kruskal-Wallis tests as appropriate.

IQR, interquartile range.