Single level group | Double level group | Total | |||
---|---|---|---|---|---|
Femur | Tibia | Femur | Tibia | ||
Problem | 41 | 103 | 14 | 31 | 189 |
Obstacle | 47 | 64 | 18 | 37 | 166 |
Complication | 68 | 261 | 23 | 54 | 406 |
Problem: A potential expected difficulty that arises during the distraction or fixation period that is fully resolved by the end of the treatment period by nonoperative means. | |||||
Obstacle: A potential expected difficulty that arises during the distraction or fixation period that is fully resolved by the end of the treatment period by operative means. | |||||
Complication: Any local or systemic intraoperative or perioperative complication, a difficulty during distraction or fixation that remains unresolved at the end of the treatment period, and any early or late posttreatment difficulty. |