Demonstrate the Bland-Altman analysis value of k and relative strength of agreement is interpreted as <0.20: poor, 0.21–0.40: fair, 0.41–0.60: moderate, 0.61–0.80: good, >0.81 very good
| Method | k | P value | Agreement |
| Manual vs MG -GAN (clinician I) | 0.7081 | 0.0019 | Good |
| Manual vs MG -GAN (clinician II) | 0.5521 | 0.0199 | Moderate |
| Clinician I vs clinician II | 0.8549 | <0.001 | Good |
| Two MG-GAN measurement of clinician I | 0.8665 | <0.001 | Very good |