Table 2.
Patient age and VAS score in each group
| Age | VAS score1 | Rate2 | ||
|---|---|---|---|---|
| P2 | P30 | |||
| Control | 33.3 ± 9 | 6.8 ± 1.3 | 5.1 ± 0.88 | 40% |
| Mecobalamine group | ||||
| Treatment | 34.1 ± 6.8 | 6.6 ± 1.3 | 1.1 ± 1.14 | 90% |
| PBM group | ||||
| p value | 0.82 | 0.73 | <0.001 | 0.057 |
1
Avariation of VAS greater than 3 was regarded as a significant improvement by subjective evaluation. The preoperative VAS was 0 in all subjects of the two groups
2
The rate = patients with significant improvement in a group/number of patients in this group. The rate in this table was calculated 30 days after extraction