Valid N T Z p-level PAQprev (mean=530.93 μm) &PAQpost (mean=542.93 μm) 14 1.500000 2.941742 0.003264

Table 2: Wilcoxon Matched Pairs Mean Comparison Test for dependent samples: before treatment vs. after treatment data. Marked tests are significant at p <0.05000 (lágrima 2).