Table 2

Comparisons of sociodemographics and medications between cases and controls

	Cases (n=5933)		Controls (n=29 665)
	N	Per cent	N	Per cent	p Value
Age, mean±SD	78.3	±7.5	73.9	±6.7	<0.0001
Age group, years					<0.0001
65–74	1956	33.0	17 082	57.6
75–84	2671	45.0	10 270	34.6
≥85	1306	22.0	2313	7.8
Gender					<0.0001
Male	1833	30.9	14 678	49.5
Female	4100	69.1	14 987	50.5
Urbanisation					<0.0001
Urban	1930	32.5	10 934	36.9
Satellite	1408	23.7	7884	26.6
Rural	2595	43.7	10 847	36.6
CCI score					<0.0001
0	1869	31.5	12 398	41.8
1	2595	43.7	11 982	40.4
2	1030	17.4	3810	12.8
≥3	439	7.4	1475	5.0
Category of medications
0	348	5.9	3464	11.7	<0.0001
1	523	8.8	3984	13.4
2	775	13.1	4913	16.6
3	857	14.4	4995	16.8
≥4	3430	57.8	12 309	41.5

CCI, Charlson comorbidity index.