Table 3.

A 35-year follow-up with subdistribution hazard ratio (95% CI) adjusted for age for coronary heart disease and stroke with regard to risk groups

Risk groups	Number at risk	Eventsa	Total observation years	IRRb (95% CI)	Adjusted SHRb (95% CI)
CHD
Risk groupsb
Optimal risk	130	20	3855.6	0.77 (0.49–1.23)	0.69 (0.44–1.07)
Low risk	842	184	24 047.7	1 (ref)	1 (ref)
Moderate risk	2867	877	74 150	1.54 (1.31–1.80)	1.48 (1.27–1.73)
Elevated risk	2645	1001	60 530.8	2.16 (1.84–2.52)	2.01 (1.73–2.35)
High risk	690	335	13 207.3	3.22 (2.69–3.86)	2.89 (2.41–3.47)
Stroke
Risk groupsb
Optimal risk	130	24	3760.2	1.12 (0.72–1.72)	1.10 (0.72–1.70)
Low risk	842	144	24 429.2	1 (ref)	1 (ref)
Moderate risk	2867	535	76 677.2	1.18 (0.98–1.42)	1.10 (0.92–1.32)
Elevated risk	2645	494	64 196	1.30 (1.08–1.56)	1.12 (0.93–1.35)
High risk	690	138	14 536.6	1.56 (1.24–1.97)	1.21 (0.96–1.53)

^aFirst ever occurrence of a CHD or stroke.

^bAge-adjusted incidence ratio (IRR) and subdistribution hazard ratio (SHR).