Table 2.
Volume of lymphatic drainage and incidence of lymphocele.
| Outcome | Group A (n = 27) | Group B (n = 18) | P value |
|---|---|---|---|
| Mean total vol.1 drained2 (ml) | |||
| Drain vol. day 1 | 339.11 ± 236.10 | 509.72 ± 441.77 | 0.099 |
| Drain vol. day 2 | 292.63 ± 189.34 | 644.39 ± 519.89 | 0.012 |
| Drain vol. day 3 | 286.22 ± 222.87 | 584.00 ± 511.09 | 0.030 |
| Drain vol. day 4 | 207.30 ± 218.16 | 305.89 ± 358.60 | 0.306 |
| Drain vol. day 5 | 208.67 ± 265.50 | 313.61 ± 369.87 | 0.274 |
| Total volume of drainage | 994.819 ± 745.85 | 1847.89 ± 1241.41 | 0.015 |
| (from day 2 to 5) | |||
| Accumulation | 1244.15 ± 828.20 | 2327.61 ± 1527.21 | 0.011 |
| (from day 1 to 5) | |||
| Mean duration of drain (day) | 5.7 ± 2.32 | 7.0 ± 3.80 | 0.207 |
| Mean length of stay (day) | 10.89 ± 3.71 | 12.72 ± 6.40 | 0.282 |
| Discharge with drain | 0 | 0 | |
| (people) | |||
| Complication | 0 | 0 | 0.400 |
| Yes | 0 (0%) | 1 (5.6%) | |
| No | 27 (100%) | 17 (94.4%) | |
| Incidence of lymphocele3 | |||
| 1 month | 3/27 (11.1%) | 3/18 (16.7%) | 0.670 |
| 3 months | 3/27 (11.1%) | 6/18 (33.3%) | 0.126 |
1Vol.: volume; 2drain: drain from Hemovac for 24 hr; 3incidence of lymphocele: hypodense content with negative −18 Hounsfield unit ∗(HU) by computed tomography images; data are expressed as the means ± standard deviation, medians (range), or frequencies (percentages), as appropriate.