Comparison of Samplers and Intravaginal pH Sampling Methods
| Swab-based pH test | Mean pH | SD | Median pH | ICC* | S | P Value |
|---|---|---|---|---|---|---|
| Subject | 4.5 | 0.5 | 4.5 | 0.74 | −538.0 | .0001 |
| Clinician | 4.7 | 0.5 | 4.6 |
* ICC, interclass correlation coefficients; S, Wilcoxon’s signed rank test.