Assessing the representativeness of large medical data using population stability index

Table 2 PSI comparing differences in age distribution for U.S. cancer population between year 2000 and 2016

Age group	2000	2016	Difference	Natural logarithm	PSI	Total PSI
15–19	0.11	0.12	−0.01	−0.09	0	2.96
20–24	0.27	0.31	−0.03	−0.12	0
25–29	0.58	0.64	−0.06	−0.1	0.01
30–34	1.05	1.17	−0.12	−0.11	0.01
35–39	2.06	1.75	0.31	0.16	0.05
40–44	3.59	2.76	0.84	0.27	0.22
45–49	5.37	4.58	0.79	0.16	0.13
50–54	7.81	7.77	0.04	0.01	0
55–59	9.81	11.23	−1.43	−0.14	0.19
60–64	11.41	13.91	−2.5	−0.2	0.49
65–69	13.55	16.54	−2.99	−0.2	0.6
70–74	14.81	13.84	0.97	0.07	0.07
75–79	13.61	10.47	3.15	0.26	0.83
80–84	9.08	7.46	1.62	0.2	0.32
85+	6.88	7.46	−0.58	−0.08	0.05

ISSN: 1471-2288