Observation group | 40 | 6.250 ± 4.68 | 4.150 ± 3.82 | 15.300 ± 4.20 | 10.750 ± 1.86 | 104.000 ± 10.51 | 74.500 ± 7.486 |
t |
| −0.130 | −0.539 | 0.580 | −3.083 | 0.371 | −5.286 |
P |
| 0.897 | 0.593 | 0.566 | 0.004 | 0.713 | <0.001 |