Doppler indices | Perimenopausal study group (N = 15) | Perimenopausal control group (N = 10) | t | p |
S/D Mean ± SD Range | 4.53 ± 1.1 2.9 - 6.5 | 6.2 ± 1.2 4.25 - 7.21 | 3.64 | <0.001 (sig.) |
RI Mean ± SD Range | 0.85 ± 0.80 0.6 - 0.94 | 0.92 ± 0.02 0.89 - 0.96 | 2.66 | 0.013 (sig.) |
PI Mean ± SD Range | 2.5 ± 0.36 1.17 - 2.81 | 3.2 ± 0.87 2.15 - 4.38 | 4.6 | <0.001 (sig.) |
Endometrial Thickness (mm) | Postmenopausal | study group | Postmenopausal | control group |
| N = 15 | % | N = 10 | % |
≥5 <5 | 13 2 | 86.6 13.4 | 1 9 | 10 90 |