Changes in PMA index by group and measurement period
| Group | N | Base | 1 week | 2 weeks | 4 weeks | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mean | SD | Mean | SD | Mean | SD | Mean | SD | |||||
| E1 | 30 | 11.27 | 2.95 | 11.03 | 2.89 | 10.93 | 2.42 | 10.20 | 2.30 |
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| E2 | 30 | 11.30 | 2.59 | 11.07 | 2.86 | 10.80 | 2.01 | 11.07 | 2.21ab | |||
| NC | 30 | 11.33 | 2.88 | 11.67 | 2.95 | 11.63 | 2.39 | 11.90 | 2.26b | |||
| PC | 30 | 11.30 | 2.63 | 11.10 | 2.81 | 10.80 | 1.95 | 10.20 | 2.27 |
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| p-value+ | 1.000 | .805 | .401 | .011 |
SD: standard deviation, E1: experimental group, E2: comparison group, NC: negative control group, PC: positive control group.
+p-value by one way ANOVA, abSame letter means no statistical difference by Scheffe test.
*p<0.05 by paired t-test between base and after.
