Table 2.

Diabetes incidence rates (per 1,000 person years), age and gender stratified

	Rheumatoid arthritis			Psoriatic arthritis/Psoriasis			Non-rheumatic
	# cases	Person-years	Rate (95% CI)	# cases	Person- years	Rate (95% CI)	# cases	Person-years	Rate (95% CI)
Total cohort	1,949	227,838	8.6 (8.5 – 8.7)	1,564	191,534	8.2 (8.1 – 8.3)	10,732	1,847,202	5.8 (5.8–5.8)
Female	1212	155,599	7.7 (7.7 – 7.8)	730	95,771	7.6 (7.7– 7.8)	6,299	1,118,944	5.6 (5.6 – 5.6)
Male	737	72,239	10.2 (10.1–10.3)	834	95,763	8.7 (8.6 – 8.8)	4,433	728,258	6.1 (6.1–6.1)
Age stratum
< 45	178	51,994	3.4 (3.4 – 3.4)	295	78,041	3.8 (3.7 – 3.8)	1,093	584,537	1.9 (1.9 – 1.9)
45–64	870	95,342	9.1 (9.1 – 9.2)	745	73,188	10.2 (10.1 – 10.2)	4,432	747,330	5.9 (5.9 – 5.9)
65–74	474	44,078	10.7 (10.6 – 10.8)	318	25,079	12.7 (12.5–12.8)	2,973	309,195	9.6 (9.6 – 9.6)
75–84	345	30,505	11.3 (11.2 – 11.4)	171	13,056	13.1 (12.9 – 13.3)	1,873	176,059	10.6 (10.6 – 10.7)
85+	82	5,918	13.8 (13.5–14.2)	35	2,170	16.1 (15.5 – 16.8)	361	300,81	12.0 (11.9 – 12.1)
Systemic immunosuppressives*
Yes	269	32,885	8.2 (8.1–8.3)	72	6,388	11.3(11.0–11.5)	50	3,258	15.3(14.8–15.9)
No	1680	194,953	8.6 (8.6–8.6)	1492	185,146	8.0 (8.0–8.0)	10,682	1,843,944	5.8(5.8–5.8)
Oral glucocorticoids*
Yes	401	36,010	11.2 (11.1 – 11.3)	115	10,166	10.9 (10.8 – 11.1)	387	37,956	9.7 (9.6 – 9.8)
No	1,548	191,828	8.1 (8.0 – 8.1)	1449	181,368	7.6 (7.6 – 7.6)	10,345	1,809,245	5.7 (5.7 – 5.7)
Topical glucocorticoids*
Yes	26	2,478	10.5 (10.1 – 10.9)	245	22,751	10.8 (10.6 – 10.9)	90	11,099	8.1 (7.9 – 8.2)
No	1923	225,361	8.5 (8.5 – 8.6)	1319	168,783	7.8 (7.7– 7.8)	10,642	1,836,103	5.8 (5.8 – 5.8)

^*see text for listing of systemic immunosuppressives and high potency topical glucocorticoids.