From: Identifying observational studies of surgical interventions in MEDLINE and EMBASE
Filter | Retrieved | Sensitivity % (95% CI) | Precision % (95%CI) | Specificity % (95% CI) | ||
---|---|---|---|---|---|---|
Reference Standard | Total | % Reduction | ||||
MEDLINE | ||||||
No filter | 206 | 1564 | - | 100.0 | 13.2 (11.5–14.9) | |
Precision | 205 | 979 | 37.4 | 99.5 (98.5–100.) | 20.9 (18.4–23.4) | 42.9 (40.3–45.5) |
Specificity | 205 | 972 | 37.9 | 99.5 (98.5–100.) | 21.1 (18.5–23.7) | 43.5 (40.4–46.6) |
EMBASE | ||||||
No filter | 191 | 1521 | - | 100.0 | 12.6 (10.9–14.3) | |
Precision | 191 | 1065 | 30.0 | 100.0 | 17.9 (15.6–20.2) | 35.3 (32.7–37.9) |
Specificity | 191 | 1016 | 33.2 | 100.0 | 18.8 (16.4–21.2) | 38.0 (35.1–39.8) |
MEDLINE/EMBASE | ||||||
No filter | 217 | 1959 | - | 100.0 | 11.1 (9.7–12.5) | |
Precision | 217 | 1298 | 33.8 | 100.0 | 16.7 (14.7–18.7) | 37.9 (35.3–40.5) |
Specificity | 217 | 1266 | 35.4 | 100.0 | 17.1 (15.0–19.2) | 39.8 (37.1–42.5) |