1. The Schanz osteotomy is as simple and as shock-proof an operation as we have found, for the conditions for which it has been used.
2. It results in a definite increase in stability of the hip, without seriously interfering with the motions necessary in sitting, mounting stairs, or in dressing.
3. Because of increased stability, there is definite relief from pain and fatigue.
4. The most important complications are increasing genu valgum, delayed union or non-union at the site of osteotomy, and loss of angle at the site of osteotomy.