Table 1.
Frequency and percentages of OSE and CSE examined and compared in the included studies.
| OSE | Classification | Frequency N = 44 |
Percentage [%] | CSE | Classification | Frequency N = 46 |
Percentage [%] |
|---|---|---|---|---|---|---|---|
| Tennis | 4 | 8 | 18.18 | Swimming | 1 | 15 | 32.61 |
| Table Tennis | 4 | 8 | 18.18 | Running | 1 | 12 | 26.09 |
| Badminton | 4 | 6 | 13.64 | Athletics | 2 | 7 | 15.22 |
| Basketball | 4 | 5 | 11.36 | Triathlon | 1 | 3 | 6.52 |
| Volleyball/Beach volleyball | 4 | 2 | 4.55 | Cycling | 1 | 3 | 6.52 |
| Soccer | 4 | 3 | 6.82 | Gymnastics | 1 | 1 | 2.17 |
| Handball | 4 | 2 | 4.55 | Archery | 1 | 1 | 2.17 |
| Sailing | 3 | 2 | 4.55 | Shooting | 1 | 1 | 2.17 |
| American Football | 4 | 1 | 2.27 | Brisk walking | 1 | 1 | 2.17 |
| Wushu | 4 | 1 | 2.27 | Cross-country skiing | 2 | 1 | 2.17 |
| Martial Arts | 4 | 1 | 2.27 | Track-bike | 1 | 1 | 2.17 |
| Fencing | 4 | 1 | 2.27 | ||||
| Korfball | 4 | 1 | 2.27 | ||||
| Hockey | 4 | 1 | 2.27 | ||||
| Canoe slalom | 3 | 1 | 2.27 | ||||
| Baseball | 4 | 1 | 2.27 |