The Sensitivity and Specificity of Potassium Hydroxide Smear and Fungal Culture Relative to Clinical Assessment in the Evaluation of Tinea Pedis: A Pooled Analysis
Table 5
Sensitivity, specificity, and predictive value for KOH smear and culture with clinical cure at six weeks as gold standard overall and for component studies (a–f).
(a) Overall ().
Clinical Cure
Yes
No
Culture
Neg
78
61
Pos
109
212
Total
187
273
SENSITIVITY (%)
41.7
SPECIFICITY (%)
77.7 (72.2–82.5)
PV Neg
56.1 (47.4–64.5)
PV Pos (%)
66.0 (60.6–71.2)
Neg
137
157
KOH Smear
Pos
50
116
Total
187
273
SENSITIVITY (%)
73.3 (66.3–79.5)
SPECIFICITY (%)
42.5 (36.6–48.6)
PV Neg (%)
46.6 (40.8–52.5)
PV Pos (%)
69.9 (62.3–76.7)
= Predictive value, , with exact 95% binomial confidence limits.