Therapeutic Effect and Mechanism of Negative Pressure Wound Therapy with Huoxue Shengji Decoction Instillation for Chronic Skin Ulcers
Table 6
Effects of different treatments on the bacterial infection of ulcer.
Group
Number
Before the first operation (negative/positive)
The 1st day after the operation (negative/positive)
The 5th day after the operation (negative/positive)
X 2
A
20
5/15
14/6
18/2
18.754
≤0.001
B
20
7/13
12/8
16/4
8.366
0.015
C
20
6/14
13/7
15/5
9.095
0.011
X 2
0.476
0.440
1.558
0.788
0.803
0.459
Comparison
value for bacterial infection of ulcer
Before the first repair and reconstruction operation
The 1st day after the operation
The 5th day after the operation
A-B
0.490
0.507
0.376
A-C
0.723
0.736
0.212
B-C
0.736
0.744
0.705
Comparison
value for bacterial infection of ulcer
Group
Before-1st day after
Before-5th day after
1st day after-5th day after
A
0.004
≤0.001
0.114
B
0.113
0.004
0.168
C
0.027
0.004
0.490
Group A: HXSJ decoction instillation combined with NPWT. Group B: continuous saline instillation combined with NPWT. Group C: NPWT. between groups A and C. between groups A and C. Δ between groups A and B. ΔΔ between groups A and B. # between groups B and C. ## between groups B and C.