Table 6.

Comparison of Ischemic Complications by Mastectomy Flap Ischemia Risk Score Thresholds

Mastectomy Flap Ischemia Score (X)	Score ≤X	Score >X	P
0	0/0 (N/A)	16/45 (35.6%)	–
1	1/3 (33.3%)	15/42 (35.7%)	0.9318
2	4/10 (40.0%)	12/35 (34.3%)	0.7042
3	6/16 (37.5%)	10/29 (34.5%)	0.8007
4	6/22 (27.3%)	10/23 (43.5%)	0.1247
5	11/36 (30.6%)	5/9 (55.6%)	0.0025
6	12/39 (30.8%)	4/6 (66.7%)	<0.0001
7	13/41 (31.7%)	3/4 (75.0%)	<0.0001
8	16/45 (35.6%)	0/0 (N/A)	–

Bold text indicates a significant P value.

N/A, not applicable.