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. 2019 Aug 9;16(16):2843. doi: 10.3390/ijerph16162843

Table 5.

Evaluation of the effectiveness of the intervention using the VAS pain scale.

Session Reduction in VAS (Pre—Post Session) Difference in the Reduction
(Experimental vs. Control)
Control Group
n = 22 (42.31%)
Experimental Group
n = 30 (57.69%)
Difference 95% CI p-Value
A B
Session 1 0.43 (01.03) 1.26 (1.63) 0.83 (−0.015, 1.66) 0.054 0.21
Session 2 0.68 (1.61) 1.55 (1.95) 0.87 (−0.15, 1.89) 0.09 0.044
Session 3 0.89 (1.50) 0.70 (1.36) −0.19 (−1.05, 0.68) 0.66 0.81
Session 4 1.24 (2.54) 0.71 (1.95) −0.53 (−2.11, 1.04) 0.49 0.48
Session 5 −0.018 (2.56) 0.69 (1.56) 0.71 (−0.72,2.15) 0.31 0.69
Session 6 0.41 (1.48) 0.87 (1.81) 0.45 (−0.56, 1.48) 0.37 0.39
Session 7 1.00 (2.14) 0.35 (1.03) −0.65 (−2.00, 0.70) 0.33 0.36
Session 8 1.06 (1.06) 0.31 (1.25) −0.75 (−1.54, 0.042) 0.063 0.12
Session 9 0.40 (1.05) 0.80 (1.64) 0.40 (−0.45, 1.25) 0.34 0.44
Session10 0.90 (1.11) 0.92 (1.16) 0.02 (−0.91, 0.96) 0.96 0.98
Session11 0.37 (0.84) 1.16 (1.43) 0.79 (0.06, 1.53) 0.04 0.02
Session12 −0.2 (1.55) 0.8 (1.17) 1.00 (0.15, 1.85) 0.02 0.02

Average (and standard deviation) of the observed decrease in pain for each session in both groups (CG and EG). The difference between the decreases in experimental and control groups are shown, including the corresponding 95% CI and p-value using the Student T test (A) and a Mann-Whitney (B) test.