Table I.
Patient characteristics
| Variable | Valid N | % of valid observations | Median (25th–75th percentiles) | Mean (standard deviation) |
|---|---|---|---|---|
| Patient age [years] | 150 | 100 | 37 (33–42) | 37.5 (5.8) |
| Duration of surgery [min] | 150 | 100 | 75.5 (58–95) | 83.4 (37.8) |
| Hospitalization [days] | 150 | 100 | 3 (2–3) | 3.1 (1.1) |
| Intramural myomas, n | 150 | 100 | 1 (1–2) | 1.5 (1.1) |
| Diameter of the largest myoma [cm] | 147 | 98 | 5 (4–7) | 5.7 (2.3) |
| Cumulative weight of removed myoma(s) [g] | 148 | 98.7 | 56 (25–127) | 97 (5.8) |
| Sutures, n | 143 | 95.3 | 3 (2–4) | 3.5 (1.7) |
| Estimated intraoperative blood loss [ml] | 150 | 100 | 200 (200–300) | 261 (159) |
| Preoperative hemoglobin concentration [g/dl] | 137 | 91.3 | 13.2 (12.1–13.9) | 12.8 (1.6) |
| Postoperative hemoglobin nadir [g/dl] | 131 | 87.3 | 11.5 (10.4–12.3) | 11.3 (1.6) |
| Difference between the pre- und postoperative Hb concentration (“Hb change”) [g/dl] | 122 | 81.3 | 1.4 (0.8–2.1) | 1.6 (1.2) |