Table 3.

Incidence by age and ICD

Age at incidence	M85.0			Q78.1
	Incidence rate per 1 000 000 person-years	Lower CI (95%)	Upper CI (95%)	Incidence rate per 100 000 person-years	Lower CI (95%)	Upper CI (95%)
0-10	1.41	0.91	2.08	1.52	1.00	2.22
11-20	3.77	2.88	4.85	1.76	1.17	2.54
21-30	1.80	1.23	2.56	0.87	0.49	1.44
31-40	1.72	1.18	2.43	1.13	0.70	1.73
41-50	2.17	1.56	2.94	0.79	0.44	1.31
≥51	1.47	1.13	1.87	0.51	0.32	0.77