Table 1:
Descriptive data by group and phase of the menstrual cycle;
| no birth control (NBC) | on birth control (OBC) | |||
|---|---|---|---|---|
| M | ELP | M | ELP | |
| n | 15 | 16 | ||
| Age in years, mean (SD), [range] | 31.93 (9.48) [21–51] | 24.63 (4.44) [20–38] | ||
| Days between visits, mean (SD), [range] | 24.07 (21.12) [7–77] | 19.94 (11.34) [9–44] | ||
| Type/dosing of birth control, n (%) | ||||
| NGM-EE | 0 (0.00) | 6 (37.50) | ||
| DRSP-EE | 0 (0.00) | 8 (50.0) | ||
| LNG-EE | 0 (0.00) | 1 (6.25) | ||
| DSG-EE | 0 (0.00) | 1 (6.25) | ||
| Dosing in mg, mean (SD), [range]* | 0 (0.00) [0.00–0.00] | 0.03 (0.01) [0.02–0.035] | ||
| Estradiol in pg/mL, mean (SD), [range]* | 49.60 (43.09) [6–178] | 97.73 (62.74) [21–207] | 32.44 (26.54) [5–91] | 102.50 (183.05) [5–560] |
| Progesterone in ng/mL, mean (SD), [range]** | 1.65 (2.79) [0.20–10] | 3.51 (4.09) [0.20–10.70] | 0.36 (0.17) [0.20–0.90] | 0.41 (0.16) [0.20–0.70] |
| Thymus size (mm3), mean (SD), [range] | 19269.28 (9035.55) [9757.17–38414.95] | 18573.06 (8745.54) [7629.9436998.55] | 13428.74 (4050.06) [4424.4120231.40] | 14940.71 (6392.18) [6872.6928805.90] |
M: menses; ELP: early luteal phase; SD: standard deviation; DRSP: drospirenone; DSG: desogestrel; NGM: norgestimate; LNG: levonorgestrel; EE: ethinyl estradiol;
*:
n = 6 assays in the OBC group below the measurement threshold of <5 pg/ml, imputed with 5 pg/ml;
**:
n = 2 assays in the OBC group below the measurement threshold of <0.2 ng/mL, imputed with 0.20 ng/ml