Evaluation of the Quilting Technique for Reduction of Postmastectomy Seroma: A Randomized Controlled Study
Table 3
Operative data and outcome among the two study groups.
Intervention group ( = 60) mean ± SD Range
Control group ( = 60) Mean ± SD Range
Statistics
value
Operative time in minutes
127 (10.5) 90–160
105 (7.5) 80–139
9
<0.001
The total number of lymph nodes
19 ± 3 13–24
18 ± 3 12–23
1.8
0.07
The number of positive lymph nodes
3.3 ± 1.5 0–9
3.6 ± 1.6 0–10
1.1
0.30
Duration before drain removal (days)
9 ± 3 7–20
11 ± 3 9–18
3.7
<0.001
Total drainage volume (mL)
710 ± 290 300–1500
1160 ± 420 500–2000
6.8
<0.001
Volume in the first 3 days (mL)
230 ± 112 120–550
425 ± 143 130–650
8.3
<0.001
Volume in the last 3 days (mL)
180 ± 88 130–350
231 ± 134 150–450
2.5
0.02
Seroma
12 (20%)
47 (78.3%)
38.5
<0.001
Days till seroma disappearance
2.3 ± 4.9 0–12
10 ± 4.2 0–12
9.2
<0.001
Numbers of aspirations
2.1 ± 0.6 2–4
4.7 ± 2.1 3–7
9.22
<0.001
Total volume of aspirations (mL)
45 ± 15 0–250
189 ± 60 0–380
18
<0.001
Postoperative hematoma
18 (30%)
16 (26.7%)
0.04
0.80
Flap necrosis
5 (8.3%)
6 (10%)
0.0
1.00
Data were presented as mean ± SD range for continuous data and number (%) for categorical data. -test for continuous data and Chi square for categorical data.
