Table 2 Study data and systematic review data on return to sport following femoral neck stress fractures.
| Study | n | Return-to-Sport Rates | Sub-Cohorts | Return-to-Sport Times | Sub-Cohorts |
|---|---|---|---|---|---|
| Johansson et al. (1990) | 23 | 12/23 (52%) | Blickenstaff & Morris Type 1: 6/9 (69%) | – | – |
| Blickenstaff & Morris Type 2: 2/4 (50%) | |||||
| Blickenstaff & Morris Type 3: 4/10 (40%) | |||||
| Ramey et al. (2016) | 27 | 27/27 (100%) | Arendt Grade 1: 5/5 (100%) | 14.1 weeks | Arendt Grade 1: 7.4 weeks |
| Arendt Grade 2: 5/5 (100%) | Arendt Grade 2: 13.8 weeks | ||||
| Arendt Grade 3: 8/8 (100%) | Arendt Grade 3: 14.7 weeks | ||||
| Arendt Grade 4: 9/9 (100%) | Arendt Grade 4: 17.5 weeks | ||||
| Neubauer et al. (2016) | 48 | 28/42 (67%) | Low-Performance Runner 23/32 (72%) | – | – |
| High-Performance Runner 5/16 (31%) | |||||
| Displaced Fractures 6/18 (33%) | |||||
| Non-Displaced Fractures 22/30 (73%) |