Table 3.

Log rank test estimation of discontinuation of breast cancer patients by clinical features, at UCH, Ibadan, 2001-2010.

Variable	MDT	Log rank	SE[s(t)]	95%CI	P value
	(months)	Chi-square
Age
Younger patients	44.0	3.498	2.965	38.18-49.81	0.061
Older patients	44.0		2.325	39.44-48.56
Educational level
Primary school and below	41.0	1.053	2.195	36.70-45.30	0.305
Secondary school and above	47.0		2.265	42.60-51.40
Marital status
Not married	39.0	8.289	2.315	34.50-43.50	0.004
Married	45.0		1.954	41.20-48.80
Menopausal status
Premenopausal	44.0	2.965	3.356	39.40-52.60	0.085
Postmenopausal	45.0		1.876	41.30-48.70
Duration of symptoms before diagnosis
Up to 12 months	47.0	4.868	2.233	42.60-51.40	0.027
Above 12 months	37.0		1.914	33.20-40.8
Distance of home town to UCH to Ibadan
>250KM	46.0	0.282	2.252	41.60-50.40	0.596
≤ 250KM	41.0		2.772	35.60-46.40
Stage of disease
Early stage (I&II)	51.0	19.500	2.416	46.30-55.70	<0.001
Late stage (III&IV)	37.0		1.542	34.00-40.00
Axillary node status
No axillary nodes	51.0	1.600	6.717	38.00-64.00	0.198
Presence of axillary nodes	44.0		2.023	40.00-48.00
Grade of differentiation
Well differentiated	41.0	1.360	2.729	35.70-46-30	0.244
Moderate/poorly differentiated	45.0		2.334	40.40-49.60
Metastasis
Presence of metastasis	31.0	49.761	2.233	26.60-35.40	<0.001
No metastasis	51.0		2.213	46.70-55.30
Baseline packed cell volume
Low PCV	38.0	18.775	2.147	33.80-42.20	<0.001
Normal PCV	47.0		2.183	42.70-51.30

MDT= median discontinuation time; CI= confidence interval; SE= standard error.