From: Vacuum sealing drainage combined with naso-intestinal and gastric decompression tubes for the treatment of esophagogastrostomy neck fistula
Karnofsky score
Z
40–49
50–59
60–69
70–79
80–89
≥ 90
Pre-VSD
1(5%)
8(40%)
3(15%)
0
− 3.76
Post-VSD
2(10%)
7(35%)
9(45%)
(p < 0.001)