|
| Judet [26] | Gbenou [55] | Petrea [36] | Mukherjee [32] | Hung (in this study) |
| Excellent | Over 100˚ |
| Over 110˚ |
| >100˚ + ≤5˚ EL |
| Good | 80˚ - 100˚ | Over 90˚ | 90 - 110˚ | 90 - 135˚ | 80˚ - ≤100˚+ >5˚ - ≤15˚ EL |
| Satisfactory | 50˚ - 80˚ | 45˚ - 90˚ |
|
|
|
| Very poor | Sub 50˚ | Under 45˚ |
|
|
|
| Moderate |
|
| 70˚ - 90˚ |
|
|
| Fair |
|
|
| 45˚ - 90˚ | ≥50˚ - ≤80˚ + >15˚ - ≤30˚ EL |
| Poor |
|
| Under 70˚ | Under 45˚ | <50˚ + >30˚ EL |