Higher caseload improves cervical cancer survival in patients treated with brachytherapy

Radiation Oncology

Table 4 5-year survival rates of cervical patients according to propensity score strata; low-volume vs. high/medium-volume physicians ^a

Propensity score stratum	Low-volume physician group			High/medium-volume physician group
Propensity score stratum	No.	% of stratum	Survival rate (%)	No.	% of stratum	Survival rate (%)	P-value
1	112	68	50	51	31	52	0.07
2	84	51	50	80	48	62	0.64
3	50	30	42	114	69	60	0.41
4	19	11	68	145	88	59	0.44
5	15	9	60	148	90	66	0.02
Total	280		54	538		60	0.09
							0.04^b

^aStratum 1 had the strongest propensity for low-volume physician; Stratum 5, for high/medium-volume physicians.
^bCochran-Mantel-Haenszel statistics; adjusted odds ratio = 0.71,95% confidence interval = 0.51-0.99.

ISSN: 1748-717X