TABLE 4.

Univariate and Multivariate Analyses of Overall Survival in Relation to Studied Pathologic Characteristics (N=85)^*

Characteristic	Score	No. of Patients (%)	Median Survival (mo)	95% CI of Median	P Univariate	P Multivariate
Solid pattern					0.046	0.049
<90%	1	68 (80.0)	69.4	(50.7 - 118.9)
≥90%	2	17 (20.0)	21.6	(6.8 - 77.2)
Cytologic atypia					0.01	0.02
Mild/Moderate	1	67 (78.8)	71.0	(50.7 - N/A)
Severe	2	18 (21.2)	30.5	(18.2 - 50.7)
Mitoses					0.26	0.57
≤13 per HPF	1	67 (78.8)	69.4	(49.4 - 118.9)
>13 per HPF	2	18 (21.2)	33.6	(18.2 - N/A)

^*HR denotes hazard ratio and CI denotes confidence interval.