Table 1.
Indications for primary surgery (adequate radiographs n = 83)
| Indications satisfied | 58 (70%) |
| Reason indications not satisfieda | |
| Bone-on-bone not seen but might be seen on stress or Rosenberg X-rays | 8 (10%) |
| Bone-on-bone definitely not present | 16 (19%) |
| Lateral OA | 2 (2%) |
| ACL deficiency | 1 (1%) |
| Previous HTO | 2 (2%) |
| Other contraindication | 2 (2%) |
OA osteoarthritis, ACL anterior cruciate ligament, HTO high tibial osteotomy
aKnees can have more than one contraindication