Table 3 Frequency of radiographic foot OA according to Technique 1 and Technique 3 scoring methods
Foot | Joints | Radiographic view | Technique 1%OA* (n) | Technique 3%OA* (n) | Technique 1–3 Difference %OA | Total number of participants |
|---|---|---|---|---|---|---|
Left | 1st MTPJ | Dorsoplantar | 27.1 (59) | 38.1 (83) | - 11.0 | 218 |
Lateral | 22.9 (50) | 23.4 (51) | - 0.5 | 197 | ||
Combined | 35.8 (78) | 42.7 (93) | - 6.9 | 218 | ||
1st CMJ | Dorsoplantar | 45.0 (98) | 61.9 (135) | - 16.9 | 213 | |
Lateral | 10.1 (22) | 15.6 (34) | - 5.5 | 213 | ||
Combined | 49.1 (107) | 65.1 (142) | - 16.0 | 218 | ||
2nd CMJ | Dorsoplantar | 49.5 (108) | 55.5 (121) | - 6.0 | 144 | |
Lateral | 57.3 (125) | 64.2 (140) | - 6.9 | 143 | ||
Combined | 74.3 (162) | 79.4 (173) | - 5.1 | 197 | ||
N1stCJ | Dorsoplantar | 19.3 (42) | 69.3 (151) | - 50.0 | 215 | |
Lateral | 11.0 (24) | 16.1 (35) | - 5.1 | 183 | ||
Combined | 24.3 (53) | 73.4 (160) | - 49.1 | 217 | ||
TNJ | Dorsoplantar | 7.3 (16) | 22.9 (50) | - 15.6 | 218 | |
Lateral | 21.1 (46) | 30.7 (67) | - 9.6 | 217 | ||
Combined | 24.3 (53) | 43.6 (95) | - 19.3 | 218 | ||
Right | 1st MTPJ | Dorsoplantar | 33.0 (72) | 46.3 (101) | - 13.3 | 217 |
Lateral | 27.5 (60) | 28.9 (63) | - 1.4 | 193 | ||
Combined | 42.2 (92) | 52.3 (114) | - 10.1 | 217 | ||
1st CMJ | Dorsoplantar | 47.2 (103) | 63.8 (139) | - 6.6 | 215 | |
Lateral | 9.2 (20) | 14.2 (31) | - 5.0 | 215 | ||
Combined | 49.5 (108) | 66.5 (145) | - 17.0 | 218 | ||
2nd CMJ | Dorsoplantar | 47.7 (104) | 55.5 (121) | - 7.8 | 138 | |
Lateral | 56.4 (123) | 60.1 (131) | - 3.7 | 142 | ||
Combined | 70.6 (154) | 74.8 (163) | - 4.2 | 189 | ||
N1stCJ | Dorsoplantar | 17.9 (39) | 72.5 (158) | - 54.6 | 215 | |
Lateral | 8.7 (19) | 12.8 (28) | - 4.1 | 183 | ||
Combined | 22.5 (49) | 74.8 (163) | - 52.3 | 216 | ||
TNJ | Dorsoplantar | 7.8 (17) | 25.2 (55) | - 17.4 | 218 | |
Lateral | 15.1 (33) | 26.1 (57) | - 11.0 | 217 | ||
Combined | 18.3 (40) | 39.9 (87) | - 21.6 | 218 | ||
Both | ALL 5 joints | Dorsoplantar | 81.2 (177) | 92.7 (202) | - 11.5 | 218 |
Lateral | 83.5 (182) | 89.9 (196) | - 6.4 | 218 | ||
Combined | 89.9 (196) | 97.2 (212) | - 7.3 | 218 |