Table 5.

Completeness index (R_L , %) ^a by sex, age, length (L) of the observation period, and cancer type ^b .

Age groups (years)	Cancer type, sex
	Colorectal cancer, men			Colorectal cancer, women
	L = 20	L = 30	L = 40	L = 20		L = 30		L = 40
40–44	97.2	99.9	100.0	96.0		99.5		100.0
45–49	96.6	99.7	100.0	96.1		99.3		100.0
50–54	96.4	99.4	100.0	96.0		99.2		99.9
55–59	96.1	99.3	99.9	95.4		99.1		99.8
60–64	95.4	99.1	99.9	94.0		98.8		99.8
65–69	93.9	98.8	99.8	91.8		98.4		99.7
70–74	91.6	98.3	99.7	88.6		97.6		99.6
75–79	88.2	97.4	99.5	84.5		96.3		99.3
80–84	83.8	95.9	99.2	79.5		94.3		98.8
85+	78.9	93.7	98.6	75.0		91.7		98.1
	Prostate cancer, men			Breast cancer, women
	L = 20	L = 30	L = 40	L = 20		L = 30		L = 40
40–44	99.0	99.0	99.6	99.8		100.0		100.0
45–49	100.0	100.0	100.0	99.3		100.0		100.0
50–54	100.0	100.0	100.0	98.0		99.9		100.0
55–59	100.0	100.0	100.0	95.0		99.8		100.0
60–64	99.9	100.0	100.0	90.2		99.2		100.0
65–69	99.8	100.0	100.0	83.9		97.7		99.9
70–74	99.3	100.0	100.0	77.1		95.0		99.6
75–79	98.0	100.0	100.0	71.2		91.1		98.8
80–84	94.9	99.9	100.0	66.0		86.1		97.2
85+	89.4	99.8	100.0	61.6		81.6		94.7
	All cancers, men			All cancers, women
	L = 20	L = 30	L = 40	L = 20		L = 30		L = 40
40–44	81.7	91.9	98.9	91.0		96.2		99.3
45–49	83.4	92.1	97.3	91.5		96.8		98.7
50–54	85.1	93.2	96.8	90.9		97.1		98.7
55–59	86.8	94.4	97.1	89.1		97.0		98.8
60–64	88.2	95.4	97.8	86.3		96.4		98.8
65–69	89.4	96.1	98.3	82.7		95.2		98.7
70–74	90.0	96.2	98.6	78.5		93.3		98.3
75–79	88.9	96.1	98.7	73.9		90.7		97.6
80–84	85.7	95.5	98.4	68.6		86.9		96.4
85+	80.9	94.5	98.2	64.2		83.1		94.6

^aCompleteness index calculated from Italian registries with a long-term period of incidence and survival (i.e., 1990–2018).

^bThe extended version is available upon request for the most frequent cancer types by the annual length of observation period from 7 to 40 years.