showed a trendp = 0.06
Pinch strength As the forest plot in Figure 9 shows, iontophoresis showed a trend to be less effective than phonophoresis in improving pinch strength, but the pooled results did not indicate differences between interventions (MD = −2.05 ( p = 0.06); 95% CI (−4.39 to 0.29); I 2 = 0% and Tau 2 = 0).