Table 1 Incidence rate and incidence rate ratio of hospitalisations for early miscarriage in the Republic of Ireland, 2005–2016
From: Miscarriage hospitalisations: a national population-based study of incidence and outcomes, 2005–2016
Deliveries | No of hospitalisations for early miscarriage | Ratea (95% CI) | Crude incidence rate ratio (95% CI) | Adjusted incidence rate ratio b (95% CI) | |
|---|---|---|---|---|---|
All | 801,764 | 50,538 | 63.0 (62.5–63.6) | ||
Year | |||||
2005–2008 | 257,750 | 17,958 | 69.7 (68.7–70.7) | 1.0 (ref. group) | 1.0 (ref. group) |
2009–2012 | 285,751 | 17,956 | 62.8 (61.9–63.8) | 0.93 (0.91–0.95) | 0.85 (0.84–0.88) |
2013–2016 | 258,263 | 14,624 | 56.6 (55.7–57.5) | 0.95 (0.93–0.97) | 0.77 (0.75–0.78) |
Maternal Age | |||||
< 25 | 109,812 | 6404 | 58.3 (56.9–59.7) | 1.0 (ref. group) | 1.0 (ref. group) |
25–29 | 177,647 | 9071 | 51.1 (50.0–52.1) | 0.60 (0.58–0.62) | 0.61 (0.59–0.63) |
30–34 | 281,961 | 14,697 | 52.1 (51.3–53.0) | 0.90 (0.87–0.92) | 1.10 (1.02–1.10) |
35–39 | 191,970 | 14,250 | 74.2 (73.0–75.4) | 1.27 (1.24–1.31) | 1.60 (1.55–1.65) |
40+ | 40,374 | 6116 | 151.5 (147.7–155.3) | 2.60 (2.51–2.69) | 3.34 (3.22–3.45) |
Health insurance | |||||
Private | 200,014 | 8951 | 44.8 (43.8–45.7) | 1.0 (ref. group) | 1.0 (ref. group) |
Public | 601,750 | 41,587 | 69.1 (68.4–69.8) | 1.38 (1.35–1.41) | 1.87 (1.83–1.92) |