Table 1.

Comparison of the diagnostic accuracy of other ENT symptoms

Other ENT symptom	No. of studies	DOR (95% CI)/I2 (%)	Sensitivity (95% CI)/I2 (%)	Specificity (95% CI)/I2 (%)	AUC	NPV (95% CI)/I2 (%)	PPV (95% CI)/I2 (%)
Nasal discharge	14	1.02 (0.60–1.74)/86.8	0.18 (0.10–0.31)/96.1	0.81 (0.69–0.89)/99.0	0.46	0.75 (0.59–0.87)/99.0	0.21 (0.08–0.44)/98.2
Nasal obstruction	8	0.98 (0.76–1.26)/0.0	0.20 (0.11–0.35)/92.7	0.75 (0.65–0.83)/92.0	0.55	0.62 (0.39–0.81)/98.1	0.31 (0.12–0.60)/96.3
Sore throat	16	0.66 (0.38–1.15)/91.0	0.24 (0.16–0.33)/91.2	0.68 (0.58–0.77)/98.3	0.41	0.73 (0.56–0.86)/98.9	0.18 (0.09–0.33)/97.5

DOR, diagnostic odds ratio; CI, confidence interval; AUC, area under the curve; NPV, negative predictive value; PPV, positive predictive value.