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Table 3 Rates of hospital admissions among PROUD participants (n = 663) compared to an Ontario population (n = 3315) matched by age, sex, public health unit, and neighborhood income quintile

From: A cohort study examining emergency department visits and hospital admissions among people who use drugs in Ottawa, Canada

Hospital admission characteristic

PROUD

Control

Rate ratio PROUD/control (95% CI)

N

Mean (SD) visits/year

N

Mean (SD) visits/year

All

141

0.213 (0.608)

92

0.028 (0.249)

7.66 (5.89 to 9.97)

Males

91

0.182 (0.549)

63

0.025 (0.187)

7.22 (5.24 to 9.96)

Females

50

0.309 (0.758)

29

0.036 (0.382)

8.62 (5.46 to 13.62)

Diagnoses (any diagnosis per encounter)

 Substance use (including alcohol and cannabis)

51

0.077 (0.304)

9

0.003 (0.052)

28.33 (13.95 to 57.55)

 Mental health (excluding substance use)

29

0.044 (0.274)

7

0.002 (0.052)

20.71 (9.07 to 47.29)