Table 3.
Type of healthcare setting contacted before the index date for the fully linked study population across healthcare settingsa
| Cases (N = 1721) | Controls (N = 8605) | OR | 95% CI | |||
|---|---|---|---|---|---|---|
| n (%) | 95% CI | n (%) | 95% CI | |||
| Any healthcare setting | ||||||
| 1 week | 539 (31.4) | 29.2–33.6 | 1339 (15.6) | 14.9–16.4 | 2.6 | 2.4–2.8 |
| 1 month | 1258 (73.1) | 71.0–75.2 | 4540 (52.8) | 51.8–53.9 | 2.7 | 2.6–3.0 |
| 1 year | 1536 (89.3) | 87.7–90.7 | 6525 (75.9) | 75.0–76.8 | 2.8 | 2.5–3.1 |
| General practice | ||||||
| 1 week | 444 (25.8) | 23.8–28.0 | 1182 (13.8) | 13.1–14.5 | 2.3 | 2.1–2.5 |
| 1 month | 1175 (68.3) | 66.1–70.5 | 4332 (50.4) | 49.3–51.4 | 2.4 | 2.2–2.5 |
| 1 year | 1460 (84.9) | 83.1–86.5 | 6209 (72.2) | 71.2–73.1 | 2.3 | 2.1–2.5 |
| Emergency department | ||||||
| 1 week | 77 (4.5) | 3.6–5.6 | 42 (0.5) | 0.4–0.7 | 10.1 | 7.2–14.0 |
| 1 month | 285 (16.6) | 14.9–18.4 | 312 (3.7) | 3.3–4.1 | 5.5 | 4.8–6.3 |
| 1 year | 712 (41.4) | 39.1–43.8 | 1426 (16.6) | 15.9–17.4 | 3.5 | 3.3–3.8 |
| Hospital in-patients | ||||||
| 1 week | 68 (4) | 3.2–5.0 | 66 (0.8) | 0.7–1.0 | 5.8 | 4.4–7.7 |
| 1 month | 223 (13) | 11.5–14.7 | 303 (3.6) | 3.2–4.0 | 4.2 | 3.6–4.8 |
| 1 year | 569 (33.1) | 30.9–35.4 | 1183 (13.8) | 13.1–14.5 | 3.1 | 2.9–3.4 |
| Hospital out-patients | ||||||
| 1 week | 49 (2.9) | 2.2–3.8 | 139 (1.7) | 1.4–2.0 | 1.8 | 1.5–2.2 |
| 1 month | 288 (16.8) | 15.1–18.6 | 870 (10.2) | 9.5–10.8 | 1.8 | 1.6–2.0 |
| 1 year | 714 (41.5) | 39.2–43.9 | 2509 (29.2) | 28.3–30.2 | 1.8 | 1.7–1.9 |
a.
Results from those with data across all settings in the year before index date (i.e. those with an index date in 2010 or later and General Practice Database data available in the year before index date). Odds ratios (OR) adjusted for deprivation. P < 0.001 for all results.