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. 2016 Mar 24;11(3):e0151712. doi: 10.1371/journal.pone.0151712

Table 3. Proportion of participants with anxiety at baseline, 4-week and 8-week follow-up examination in group A and B.

Examination
State anxiety score Intervention group Baseline 4-week follow-up 8-week follow-up P value
≥ 45, % A (n = 11) 40.7 25.9 40.7 0.003
B (n = 11) 39.3 40.0 16.7

The p value indicates the intervention effect between the intervention and non-intervention periods (combining group A and B) analyzed using a linear mixed-effect model.