Table 3: Intraclass correlation coefficient between the SENS and SHS scores
| Scores | ICC | 95% CI | F - test | Sig. |
| SENS vs. SHS rheum | 0.76 | 0.58 - 0.86 | 26.8 | < 0.0001 |
| SENS vs. SHS rad | 0.74 | 0.55 - 0.85 | 22.7 | < 0.0001 |
SHS= Sharp van der Heijde RTG Score, SENS= Simple Erosion Narrowing Score, Rheum=Rheumatologist, Rad= Radiologist, JSN= Joint Space Narrowing