Table 4.

Top three search strategies yielding highest specificity (and highest accuracy) (keeping sensitivity ≥50%) with combinations of terms. Values are percentages (95% confidence intervals)

Search strategy in Ovid format	Sensitivity (n=147)	Specificity (n=48 881)	Precision*	Accuracy (n=49 028)
specificity.tw.	64.6 (56.9 to 72.4)	98.4 (98.2 to 98.5)	10.6 (8.6 to 12.6)	98.3 (98.1 to 98.4)
specificity.tw. OR predictive value:.tw.	72.8 (65.6 to 80.0)	97.9 (97.8 to 98.1)	9.6 (7.9 to 11.3)	97.9 (97.7 to 98.0)
accurac:.tw. OR predictive value:.tw.	52.4 (44.3 to 60.5)	97.9 (97.8 to 98.1)	7.1 (5.6 to 8.6)	97.8 (97.7 to 97.9)

See box for description of terms.

^*Denominator varies by row; see table 1 for calculation.