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Frequency of ovulation incidence in letrozole and tamoxifen groups in cc resistant PCOS women
| Ovulation Rate | Total | ||
|---|---|---|---|
| +VE | -VE | ||
| Letrozole group, n(%) | 21 (23.33) | 69 (76.67) | 90 (100) |
| Tamoxifen group, n(%) | 8 (8.89) | 82 (91.11) | 90 (100) |
| Total | 29 (16.11) | 151 (83.89) | |
| Chi-square | 5.92 | ||
| P-value | 0.015 | ||
Notice that ovulation rate was higher in letrozole group than that in tamoxifen group. The Pearson chi-square, uncorrected for continuity is 6.95 and p = 0.0084
