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. 2012 Dec 4;12:e53.

Table 5.

Independent variables versus fat necrosis

P*
Body mass index .2181
Age .2961
Average amount fat grafted .3302
Average amount of tumescent injected .1075
History of diabetes .5042
History of hypertension .2268
Current or recent use of tobacco .2867
Prior breast radiation .8605
Cancer stage .1879

* P value is calculated using Wilcoxon rank sum test using exact method with Monte-Carlo estimation.