Table 1.
Subgroups compared | Mean | SD | Mann–Whitney U value | p value | Significance level |
---|---|---|---|---|---|
I versus II |
0.480 0.435 |
0.024 0.033 |
14.00 | 0.006 | NS |
I versus III |
0.480 0.853 |
0.024 0.053 |
0.01 | 0.00 | SIG |
I versus IV |
0.480 0.541 |
0.024 0.034 |
4.5 | 0.001 | SIG |
II versus III |
0.435 0.853 |
0.033 0.053 |
0.01 | 0.00 | SIG |
II versus IV |
0.435 0.541 |
0.033 0.034 |
0.02 | 0.00 | SIG |
III versus IV |
0.853 0.541 |
0.053 0.034 |
0.01 | 0.00 | SIG |
Mann–Whitney U test was used to calculate the p value. (Histogram 1)