Bayesian and Frequentist Analytical Approaches Using Log-Normal and Gamma Frailty Parametric Models for Breast Cancer Mortality

Table 3

Standard Weibull model (Model 1).

Variables	Standard Weibull model
	M1a (Frequentist)			M1b (Bayesian approach)
	HR	2.5%	97.5%	HR	2.5%	97.5%
Sex
Female	Ref
Male	0.96	0.64	1.44	1.36	1.03	1.76
Age	0.99	0.99	1.00	1.00	1.00	1.01
Marital status
Divorce	Ref
Married	1.36	1.03	1.8	0.79	0.66	0.96
Single	1.08	0.75	1.57	0.79	0.63	0.99
Widowed	1.57	1.14	2.18	0.72	0.59	0.9
Topography
C50.0 nipple	Ref
C50.1 central portion of breast	1.00	0.67	1.50	1.14	0.90	1.45
C50.2 upper-inner quadrant of breast	1.05	0.73	1.50	1.16	0.93	1.44
C50.3 lower-inner quadrant of breast	0.95	0.64	1.40	1.23	0.97	1.57
C50.4 upper-outer quadrant of breast	1.01	0.75	1.35	1.12	0.92	1.37
C50.5 lower-outer quadrant of breast	1.01	0.68	1.50	1.02	0.82	1.29
C50.6 axillary tail of breast	0.38	0.18	0.80	1.11	0.77	1.57
C50.8 overl. lesion of breast	0.82	0.61	1.10	1.13	0.92	1.38
C50.9 breast, NOS	0.73	0.55	0.97	1.16	0.96	1.42
Grade
B-Cell	Ref
Grade I (Well diff)	7.11	3.32	15.23	1.02	0.59	1.87
Grade II (Mod diff)	7.89	3.88	16.06	1.02	0.59	1.86
Grade III (Poor diff)	5.9	2.91	11.96	1.05	0.61	1.92
Grade IV (Undiff anaplastic)	5.44	2.48	11.9	0.92	0.52	1.74
Laterality
Bilateral invasive	Ref
Left	0.92	0.61	1.39	1.06	0.8	1.43
Paired site, late	0.78	0.36	1.73	2.65	1.2	5.35
Right	0.94	0.62	1.42	1.03	0.78	1.39
Extent
Distant metastasis	Ref
Localised	1.73	1.45	2.07	0.90	0.82	0.99
Regional	1.60	1.43	1.79	0.88	0.80	0.96