Table 2.
Subgroups compared | Mean | SD | Mann–Whitney U value | p value | Significance level |
---|---|---|---|---|---|
I versus II |
1.16 1.14 |
0.50 0.59 |
39.5 | 0.425 | NS |
I versus III |
1.16 1.36 |
0.50 0.58 |
1 | 0.000 | SIG |
I versus IV |
1.16 1.23 |
0.50 0.36 |
10 | 0.02 | SIG |
II versus III |
1.14 1.36 |
0.59 0.58 |
2 | 0.000 | SIG |
II versus IV |
1.14 1.23 |
0.59 0.36 |
9 | 0.02 | SIG |
III versus IV |
1.36 1.23 |
0.58 0.36 |
3 | 0.000 | SIG |
Mann–Whitney U test was used to calculate the p value. (Histogram 2)