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Distribution of patients in the four classes of GETS score before and after the operation: number of patients (%)
| Class of GETS score | Preoperative | Postoperative |
|---|---|---|
| Asymptomatic (0-2) | 20 (21.1) | 37 (38.9) |
| Mildly symptomatic (3-8) | 20 (21.1) | 22 (23.1) |
| Symptomatic (9-20) | 36 (37.8) | 29 (30.5) |
| Strongly symptomatic (>20) | 19 (20.0) | 7 (7.5) |
| Total | 95 (100) | 95 (100) |
chi square test: p < 0.01.
