Table 2.

Correlation of body mass index with NCCN pre-operative risk grouping, and post-operative APFs in men undergoing radical prostatectomy at University of Pennsylvania, 1990–2012

	Body mass index (Kg/m2)				p-value
	≤30	%	>30	%
Preoperative Risk group					0.94
Low	521	67	256	33
Intermediate	184	68	86	32
High	78	67	39	33
Postoperative Risk group					0.006
APF = 0	571	70	247	30
APF = 1	114	64	63	36
APF ≥ 2	101	58	74	42

Abbreviations: NCCN National Comprehensive Cancer Network, Obese: ≤30 kg/m²; Non-Obese <30 kg/m²

APFs: adverse pathologic features such as extraprostatic extension, seminal vesicle invasion, and/or positive surgical margin

Boldfaced values represent statistically significance