Table 2 Comparison of blood loss between the two groups (x ± s, n = 30)
Group | Change in hemoglobin volume at admission and discharge (g/L) | Number of patients with indwelling drainage tube | Cumulative drain volume (ml) | Post-operative drain retention (days) |
|---|---|---|---|---|
Test group | 11.2 ± 6.5 g/L | 9 | 120 ± 60 | 2.0 ± 0.8 |
Control group | 30.3 ± 10.4 | 7 | 260 ± 50 | 3.5 ± 1.2 |
P | < 0.05 | > 0.05 | < 0.05 | < 0.05 |