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Table 2: Comparison of the mean difference (pre test - post test) in pain scores in each visit between the two
groups

The mean difference in pain score (mean±SD)
Visit P-value
Massage group (n=29) Control group (n=30)
First 2.93±1.10 1.50±1.17 0.001*
Second 2.43±1.18 1.42±1.40 0.004*
Third 2.45±1.02 1.37±1.38 0.001*

*statistically significant (P - value <0.05)

Table 3: Comparison of the decreasing lordosis scales between the two groups.

The average decreasing lordosis scale (mean±SD, cm.)
Visit P-value
Massage group (n=29) Control group(n=30)
First 0.31±0.29 0.24±0.27 0.341
Second 0.19±0.21 0.37±0.44 0.050
Third 0.17±0.26 0.28±0.38 0.223

*statistically significant (p<0.05)

Table 3 showed no statistical difference than the pre- treatment score of the massage
between the decreasing lordosis scales be- group. However, there were statistically sig-

tween the two groups. nificant decrements in the scores after treat-
There was no correlation between lor- ment in both groups. The impact on quality
dosis scale and low back pain score (RR = - of life score after treatment in the massage

0.028, P-value =0.83) group was significantly lower than that the
There was no serious complication of control group.
Thai massage found during the study. Only
Discussion and Conclusions
some women in the massage group reported
that they had superficial skin bruising (9.7 % The study showed the significant im-
in the first time and 3.2 % in the second time) provement in low back pain in the third tri-

which disappeared in a few days. mester of pregnant women after massage and
As shown in Table 4, the average im- taking rest. However, it seemed like by that

pact on quality of life score in the control the effect in decreasing the pain score of the
group before treatment was slightly higher Thai massage persisted after the treatment.