Table 2.

Sensitivity, specificity, and LRs of selected studies.

Author	Sensitivity	95% Cl	Specificity	95% Cl	LR+	95% Cl	LR−	95% Cl
Yang et al. [8](a)	0.513	0.348–0.676	0.803	0.729–0.864	2.599	1.662–4.065	0.607	0.436–0.846
Yang et al. [8](b)	0.897	0.758–0.971	0.374	0.296–0.458	1.434	1.217–1.689	0.274	0.106–0.710
Yoo et al. [9]	0.543	0.366–0.712	0.700	0.610–0.780	1.810	1.202–2.723	0.653	0.447–0.955
Fuertes et al. [2](a)	0.429	0.177–0.711	0.833	0.672–0.936	2.571	0.996–6.638	0.686	0.426–1.104
Fuertes et al. [2](b)	0.286	0.084–0.581	0.833	0.672–0.936	1.714	0.568–5.172	0.857	0.597–1.231
Chow et al. [10]	0.212	0.090–0.389	0.907	0.779–0.974	2.280	0.728–7.142	0.869	0.710–1.062
Cashen et al. [11]	0.625	0.354–0.848	0.588	0.407–0.754	1.518	0.873–2.638	0.638	0.319–1.274
Pregno et al. [12]	0.450	0.231–0.685	0.766	0.646–0.859	1.913	1.002–3.652	0.719	0.474–1.092