Table 3.

Prevalence of Multimorbidity by Age and Sex

	Percentage* of Patients With Multimorbidity (95% CI)
	18–44 Years		45–64 Years		65+ Years
Index	Male n = 58	Female n = 173	Male n = 141	Female n = 288	Male n = 121	Female n = 199
Chronic health problems
2 or more	72 (59–83)	68 (61–75)	89 (82–93)	95 (92–97)	98 (93–99)	99 (97–100)
3 or more	48 (35–62)	46 (38–53)	65 (57–73)	82 (77–87)	91 (84–95)	98 (94–99)
4 or more	38 (26–52)	30 (23–37)	52 (43–60)	66 (60–71)	83 (75–89)	91 (86–94)
5 or more	19 (10–31)	18 (13–25)	42 (34–50)	51 (46–57)	74 (65–81)	77 (71–83)
CIRS score
5 or more	55 (42–68)	48 (40–56)	80 (73–86)	85 (80–89)	93 (87–97)	98 (94–99)
10 or more	17 (9–29)	13 (9–19)	33 (25–41)	39 (34–45)	69 (60–78)	70 (64–77)

CI = confidence interval; CIRS = Cumulative Illness Rating Scale.

* Decimals omitted for clarity.