6 BioMed Research International anea d .4uV0 aouaayp dno 685 aulaseg njeA d 1k20 12Z 262.0 'sdno onuo pue uonuaau a jo saios uredL (88=u)dno jonuo S ueaW 6-216t RA2712 anea d 0550220 -51906 S ueaw sdnouou pueoujo p uonuauoduduo o pasn seM paus uoxoM 'sdno uonua pue onuo a aredwo o1 pasn seM 1saLn KauyM-uu ayL6 BioMed Research International Table 4: Pain scores of the intervention and control groups. Intervention group (𝑛 = 44) Control group (𝑛 = 38) Group difference Baseline Postintervention 𝑍a 𝑃 valuea Baseline Postintervention 𝑍a 𝑃 valuea Baseline Postintervention Mean ± SD Mean ± SD Mean ± SD Mean ± SD 𝑈b P valueb 𝑈b 𝑃 valueb Pain score 4.75 ± 2.32 4.66 ± 2.56 0.22 0.830 5.24 ± 2.14 4.79 ± 2.19 1.16 0.247 721 0.274 789 0.654 aThe Wilcoxon signed ranks test was used to compare the baseline data to the postintervention data of the control and intervention groups. bThe Mann-Whitney U Test was used to compare the control and intervention groups. ∗A 𝑃 value of <0.05 was considered statistically significant