Table 2.

Analysis of the deaths of male EC patients from the cohort screening population.

Age (years)	IVG			CG			Statistics
Age (years)	Population	Death toll in EC cases	Death rate (%)	Population	Death toll in EC cases	Death rate (%)	RR	95% (CI)	P
40-	903	5	0.55	858	10	1.17	0.47	0.16-1.39	0.163
45-	761	12	1.58	1190	25	2.1	0.75	0.37-1.50	0.408
50-	552	15	2.72	894	25	2.8	0.97	0.51-1.86	0.929
55-	407	18	4.42	554	31	5.6	0.78	0.43-1.42	0.414
60-	331	20	6.04	396	35	8.84	0.66	0.38-1.17	0.156
65-69	303	26	8.58	407	40	9.83	0.86	0.51-1.45	0.571
Total	3257	96	2.98	4299	166	3.86	0.76	0.59-0.98	0.038

There was a downtrend in the RR of EC in the male populations from various age groups of the IVG, compared with that in the CG. The overall RR value was 0.76, and there was a statistically significant difference between the two groups.