Table 4.
Classification of cases according to Catterall, Salter–Thompson, Herring, Mose and Stulberg in British Columbia and India
| Classification system | British Columbia | India2 |
|---|---|---|
| n (%) | n (%) | |
| Catterall system (total) | 75 (60) | 469 (77) |
| I | 2 (3) | 0 |
| I I | 3 (4) | 30 (6) |
| III | 10 (13) | 232 (50) |
| IV | 60 (80) | 207 (44) |
| Salter–Thompson (total) | 36 (29) | 118 (19) |
| A | 19 (53) | 30 (25) |
| B | 14 (39) | 88 (75) |
| Herring (total) | 74 (59) | 360 (59) |
| A | 0 | 76 (21) |
| B | 8 (11) | 130 (36) |
| C | 66 (89) | 154 (43) |
| Mose (total) | 58 (46) | 80 (13) |
| Spherical (good) | 13 (22) | 19 (24) |
| Flattened (gair) | 20 (34) | 19 (24) |
| Irregular (poor) | 25 (43) | 42 (52) |
| Stulberg (total) | 58 (46) | N/A |
| Spherical congruency (I and II)* | 13 (22) | N/A |
| Aspherical congruency (III and IV)** | 45 (78) | N/A |
| Aspherical incongruency (V) | 0 | N/A |
*There were no hips in class I
**There were 25 hips in class III and 20 hips in class IV