Table 2.

Distribution of unweighted Rx-Risk comorbidity scores* in individuals aged 65 years and older in Norway in 2013† by sex and history of hip fracture.

	Men with no hip fracture N=320 694		Men with hip fracture N=8776		Women with no hip fracture N=381 349		Women with hip fracture N=25 149
Mean (SD)	3.9 (2.5)		4.6 (2.6)		4.0 (2.5)		4.8 (2.6)
Range	0–18		0–17		0–20		0–17
N (%)	n	%	n	%	n	%	n	%
0	16 773	5.2	273	3.1	20 206	5.3	640	2.5
1	42 701	13.3	759	8.6	47 958	12.6	1830	7.3
2	46 238	14.4	956	10.9	55 695	14.6	2519	10.0
3	50 392	15.7	1257	14.3	58 114	15.2	3371	13.4
4	48 686	15.2	1291	14.7	54 950	14.4	3619	14.4
5	40 500	12.6	1199	13.7	46 525	12.2	3638	14.5
6	29 610	9.2	1042	11.9	35 958	9.4	3097	12.3
7	19 598	6.1	793	9.0	25 214	6.6	2446	9.7
8	11 947	3.7	489	5.6	16 425	4.3	1702	6.8
9	6953	2.2	343	3.9	9857	2.6	1046	4.2
10	3842	1.2	209	2.4	5464	1.4	644	2.6
11	1933	0.6	83	0.9	2750	0.7	315	1.3
≥12	1521	0.5	82	0.9	2233	0.6	282	1.1

*Defined as the number of different comorbidity categories from which an individual retrieved one or more drugs in 2013, possible range 0–46.

†Conditioned on survival through 2013.