Table 1.
Baseline characteristics of the participants
| sFP (n = 75) | mFP (n = 127) |
||||
|---|---|---|---|---|---|
| Median or N | % or interquartile | Median or N | % or interquartile | p value | |
| Age (years) | 36.4 | [34.0, 37.0] | 28.9 | [24.0, 34.0] | < 0.001 |
| BMI (kg/m2) | 21.72 | [20, 24.1] | 22.5 | [20.8, 25.7] | 0.022 |
| Tobacco | |||||
| Yes | 16 | 21.3% | 23 | 19% | |
| No | 54 | 72% | 94 | 77.6% | |
| Past smoker | 5 | 0.07% | 4 | 4% | |
| FSH (IU/L) | 6 | [5.2, 7.1] | 7 | [3.4, 7.7] | 0.93 |
| AMH (ng/mL) | 2.44 | [1.3, 3,1] | 4 | [2, 6] | 0.003 |
| Baseline antral follicle count (n) | 15 | [12, 22] | 10 | [8, 14] | < 0.001 |
| Total dose of stimulation (IU) | 3000 | [2437.5, 3562.5] | 2925 | [2250, 3600] | 0.19 |
| E2 levels (pg/mL) | 1668.5 | [1223.5, 2491.5] | 1306 | [915.3, 2135.5] | 0.082 |
| Number of oocytes retrieved/retrieval | 10 | [8, 16] | 8 | [6, 13] | 0.12 |
| Number of mature oocytes/retrieval | 8 | [5, 12] | 7 | [4, 10] | 0.31 |
| Oocyte maturation rate | 77.7% | 81.5% | |||
| Number of patients > 15 oocytes on their 1st oocyte retrieval | N = 13 | 17.3% | N = 17 | 13.3% | |
| aNumber of oocytes retrieved/patient | 14 | [9, 21.5] | 10.5 | [5, 15] | < 0.001 |
| Number of mature oocytes/patients | 11 | [6, 16] | 8 | [3.8, 12.3] | < 0.001 |
| Cumulative number of mature oocytes from the first and second oocyte retrievals | 16 | [13, 19.8] | 10.5 | [6, 16.3] | 0.005 |
| Cumulative number of mature oocytes from the first, second, and third oocyte retrievals | 26.5 | [26.3, 26.8] | 17.5 | [12.3, 22.3] | 0.26 |
aIn the sFP, 20 patients underwent two retrievals and two underwent three retrievals. In the mFP, 24 patients underwent two retrievals and four underwent three retrievals