TABLE 4.

Results of Univariate Analysis of csRFS and rPFS for Margin Variables

		csRFS			rPFS
Variables	n (%) or mean (SD)	Events (n)	HR (95% Cl)	P	Events (n)	HR (95% Cl)	P
Margin variables within positive margin (n = 90)
No. of dysplastic foci, mean (SD)	2.47 (2.15)	12	1.07 (0.84–1.35)	0.58	15	1.16 (0.99–1.38)	0.07
Missing	15 (16.67)
Size largest dysplasia, cm, mean (SD)	0.31 (0.29)	13	3.69 (1.09–12.46)	0.04	16	2.41 (0.53–10.84)	0.25
Missing	13 (14.44)
Main Duct involvement
No	48 (53.33)	7	1		8	1
Yes	18 (20)	4	1.47 (0.43–5.06)	0.54	4	1.61 (0.48–5.37)	0.44
Missing	24 (26.67)
Highest grade of dysplasia
Low/intermediate	85 (94.44)	13	1		20	1
High	4 (4.44)	3	3.68 (1.04–12.97)	0.04	2	3.65 (0.83–15.98)	0.09
Missing	1 (1.11)

Patients with negative margin were not considered in the univariate analysis. Missing data were not included in the analysis.

SD indicates standard deviation.