Table 5.
Characters for Matched Participants by Propensity Score
| Non-CNY Holiday Season (n=469) | CNY Holiday Season (n=236) | p-value | SMD | |
|---|---|---|---|---|
| Age | ||||
| Mean±sd | 31.21±4.54 | 31.19±4.74 | 0.96 | 0.004 |
| Min-max | 20–46 | 21–48 | ||
| Infertility years | ||||
| ≤5 year | 387(82.52%) | 190 (80.51%) | 0.307 | 0.126 |
| 5~10 years | 70(14.93%) | 43 (18.22%) | ||
| >10 year | 12(2.56%) | 3 (1.27%) | ||
| Education | ||||
| ≤6 years | 7(1.49%) | 5 (2.12%) | 0.889 | 0.062 |
| 6–9 years | 139(29.64%) | 67 (28.39%) | ||
| 9~12 years | 110(23.45%) | 59 (25%) | ||
| >12 year | 213(45.42%) | 105 (44.49%) | ||
| FSH | ||||
| Mean±sd | 7.66±2.41 | 7.66±2.32 | 0.891# | 0.003 |
| Median (q1-q3) | 7.35(6.26–8.7) | 7.36(6.16–8.84) | ||
| E2 | ||||
| Mean±sd | 47.58±42.15 | 46.03±49.01 | 0.116# | 0.034 |
| Median (q1-q3) | 40(28–59) | 39(25–53.25) | ||
| P | ||||
| Mean±SD | 0.68±0.61 | 0.7±0.56 | 0.449# | 0.036 |
| Median (Q1-Q3) | 0.57(0.36–0.84) | 0.59(0.39–0.86) | ||
| PRL | ||||
| Mean±SD | 14.46±10.5 | 15.73±17.2 | 0.745# | 0.089 |
| Median (Q1-Q3) | 12.74(9.4–16.52) | 12.4(9.33–16.91) | ||
| LH | ||||
| Mean±SD | 4.58±2.74 | 4.57±2.43 | 0.646# | 0.001 |
| Median (Q1-Q3) | 3.95(2.98–5.5) | 4.12(3.02–5.62) | ||
| T | ||||
| Mean±SD | 0.43±0.16 | 0.43±0.16 | 0.602# | 0.030 |
| Median (Q1-Q3) | 0.44(0.32–0.55) | 0.44(0.32–0.57) | ||
| AMH | ||||
| Mean±SD | 2.95±2.04 | 2.97±2.13 | 0.948# | 0.011 |
| Median (Q1-Q3) | 2.41(1.46–3.98) | 2.54(1.55–3.6) | ||
| Reason of infertility | 0.474 | |||
| Primary | 239 (50.96%) | 127 (53.81%) | 0.057 | |
| Secondary | 230 (49.04%) | 109 (46.19%) |
Notes: #Mann–Whitney test.
Abbreviations: AMH, anti-Müllerian hormone; E2, estrogen; FSH, Follicle-Stimulating Hormone; LH, luteinizing hormone; P, progesterone; PRL, prolactin; T, testosterone; SMD, standardized mean difference, A larger value of the standardized mean difference indicates a more significant difference between the two groups of data.