Table 3. Post Hoc Test Comparison Among the 3 Treatment Groups .
| Variables | Groups | Mean Differences | Standard Error | 95% CI | P Value | |
| Upper | Lower | |||||
| MCV m/s | Magnetic & drug | 3.2 | 0.97 | 5.15 | 1.25 | 0.002* |
| Laser & drug | 2.69 | 0.98 | 4.66 | 0.73 | 0.008* | |
| Magnetic & laser | 0.59 | 0.92 | 2.34 | -1.33 | 0.586 | |
| M-ampl mv | Magnetic & drug | 0.25 | 0.12 | 0.48 | 0.01 | 0.030* |
| Laser & drug | 0.27 | 0.11 | 0.51 | 0.04 | 0.023* | |
| Magnetic & laser | -0.01 | 0.11 | 0.27 | 0.26 | 0.892 | |
| SCV m/s | Magnetic & drug | 4.58 | 2.06 | 8.71 | 0.46 | 0.030* |
| Laser & drug | 4.68 | 2.08 | 8.84 | 0.51 | 0.028* | |
| Magnetic & laser | -0.09 | 1.95 | 3.79 | -3.98 | 0.961 | |
| S-ampl µv | Magnetic & drug | 2.45 | 1.15 | 4.65 | 0.26 | 0.029* |
| Laser & drug | 2.46 | 1.11 | 4.68 | 0.24 | 0.030* | |
| Magnetic & laser | -0.01 | 1.04 | 2.06 | -2.07 | 0.993 | |
| TRCNSS | Magnetic & drug | -0.68 | 0.14 | -0.39 | -0.96 | 0.000* |
| Laser & drug | - 0.75 | 0.14 | -0. 47 | - 1.04 | 0.000* | |
| Magnetic & laser | 0.07 | 0.13 | 0.34 | - 0.19 | 0.571 | |
| VAS | Magnetic & drug | -0.22 | 0.16 | 0.09 | -0.53 | 0.169 |
| Laser & drug | -0.21 | 0.16 | 0.11 | -0.53 | 0.191 | |
| Magnetic & laser | -0.01 | 0.15 | 0.29 | -0.31 | 0.951 | |
MCV m/s, Motor condition velocity in meter per second; M-ampl mv, Motor amplitude in millivolt; SCV m/s, Sensory conduction velocity in meter/second; S-ampl µv, Sensory amplitudes in microvolt; VAS, visual analog scale; TRCNSS, Toronto Clinical Neuropath Scoring System.
* Significance P value < 0.05.