Table 2.

Overall survival in MOC by pattern of invasion.

				Univariate		Multivariablea
Analyses		n	Deaths	HR (95% CI)	P	HR (95% CI)	P
All stages	Expansile	138	45	Ref		Ref
	Infiltrative	40	23	2.20 (1.33–3.64)	0.002	1.86 (1.02–3.42)	0.044
Stratification by time
0–2 years	Expansile	138	25	Ref		Ref
	Infiltrative	40	19	3.12 (1.72–5.67)	1.88E-04	3.06 (1.49–6.29)	0.002
>2 years	Expansile	101	20	Ref		Ref
	Infiltrative	20	4	0.71 (0.21–2.39)	0.580	0.45 (0.10–2.03)	0.297
Stage I	Expansile	109	28	Ref		Ref
	Infiltrative	25	10	1.52 (0.71–3.21)	0.278	1.40 (0.59–3.33)	0.447
Stratification by time
0–2 years	Expansile	108	14	Ref		Ref
	Infiltrative	24	8	2.67 (1.12–6.37)	0.027	2.77 (1.04–7.41)	0.042
>2 years	Expansile	87	14	Ref		Ref
	Infiltrative	16	2	0.34 (0.04–2.60)	0.299	0.34 (0.04–2.69)	0.309

^aAll stage multivariable analysis adjusted for age and stage, stratified by site; stage I multivariable analysis adjusted for age and site.