Table 1.
Baseline characteristics
| Characteristics | Compression first (N=29), n (%) | Compression second (N=29), n (%) | Overall (N=58), n (%) |
|---|---|---|---|
| Age, years (mean ± SD) | 31.53±4.88 | 31.86±5.24 | 31.70±31.30 |
| ≤24 | 1 (3.4) | 4 (13.8) | 5 (8.6) |
| 25–29 | 12 (41.4) | 6 (20.7) | 18 (31.0) |
| 30–34 | 11 (37.9) | 12 (41.4) | 23 (39.7) |
| >35 | 5 (17.2) | 7 (24.1) | 12 (20.7) |
| Parity (mean ± SD) | 1.90±1.37 | 1.62±1.35 | 1.76±1.36 |
| 0 | 3 (10.3) | 2 (6.9) | 5 (8.6) |
| 1 | 12 (41.4) | 17 (58.6) | 29 (50.0) |
| >1 | 14 (48.3) | 10 (34.5) | 24 (41.4) |
| Children (mean ± SD) | 0.69±0.89 | 0.41±0.73 | 0.55±0.82 |
| 0 | 16 (55.2) | 21 (72.4) | 37 (63.8) |
| 1 | 7 (24.1) | 4 (13.8) | 11 (19.0) |
| >1 | 6 (20.7) | 4 (13.8) | 10 (17.2) |
| Week of pregnancy (mean ± SD) | 9.76±1.79 | 9.07±1.25 | 9.41±1.57 |
| 8 | 9 (31.0) | 12 (41.4) | 21 (36.2) |
| 9–10 | 9 (31.0) | 15 (51.7) | 24 (41.4) |
| 11–12 | 9 (31.0) | 1 (3.4) | 10 (17.2) |
| 13–14 | 2 (6.9) | 1 (3.4) | 3 (5.2) |
Notes: “First” refers to the group who wore the compression stockings during the first 2 weeks of the 4-week study. “Second” refers to the group who wore the compression stockings during the final 2 weeks of the 4-week study.
Abbreviations: n, number of patients; N, total number of patients; SD, standard deviation.