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| Group 1 n (%) |
Group 2 n (%) |
Group 3 n (%) |
Group 4 n (%) |
Total n (%) |
|
|---|---|---|---|---|---|
| Success | 27 (87.1) | 20 (66.7) | 20 (60.6) | 17 (53.1) | 84 (66.7) |
| Failure | 4 (12.9) | 10 (33.3) | 13 (39.4) | 15 (46.9) | 42 (33.3) |
| Total | 31 (100) | 30 (100) | 33 (100) | 32 (100) | 126 (100) |
Notes.
Pearson χ2 = 9.009, p = 0.03.
