Table 1 Univariate analysis of intracranial infection after MVD.
From: Analysis of risk factors of intracranial infection after microvascular decompression
Factor | Cases | Infection cases | Infection rate (%) | χ2 | P | |
---|---|---|---|---|---|---|
Gender | M | 51 | 14 | 27.5 | 8.162 | 0.004 |
F | 103 | 10 | 9.7 | |||
Age | <60y | 95 | 11 | 11.6 | 3.024 | 0.082 |
≥ 60y | 59 | 13 | 22.0 | |||
Smoking | Y | 13 | 4 | 30.8 | 2.489 | 0.115 |
N | 141 | 20 | 14.2 | |||
BMI | <24 | 73 | 9 | 14.7 | 0.290 | 1.118 |
≥ 24 | 81 | 15 | 15.5 | |||
Duration of operation | <4 h | 84 | 7 | 8.3 | 7.386 | 0.007 |
≥ 4 h | 70 | 17 | 24.3 | |||
Hypertension | Y | 45 | 4 | 8.9 | 2.167 | 0.141 |
N | 109 | 20 | 18.3 | |||
Diabetes | Y | 10 | 3 | 30.0 | 0.721 | 0.396 |
N | 144 | 21 | 14.6 | |||
CSF leakage | Y | 4 | 3 | 75.0 | - | 0.012 |
N | 150 | 21 | 14.0 | |||
MACs breach | Y | 42 | 12 | 28.6 | 7.404 | 0.007 |
N | 112 | 12 | 10.7 | |||
Implants | Y | 100 | 20 | 20.0 | 4.227 | 0.040 |
N | 54 | 4 | 7.4 | |||
Intra-operative use of antibiotics | Y | 40 | 2 | 5.0 | 4.601 | 0.032 |
N | 114 | 22 | 19.3 | |||
Drainage | Y | 34 | 4 | 11.8 | 0.484 | 0.487 |
N | 120 | 20 | 16.7 | |||
Hair removal | Partial | 116 | 19 | 16.4 | 0.086 | 0.769 |
Total | 38 | 5 | 13.1 | |||
Bedtime after surgery | <4d | 92 | 12 | 13.0 | 1.121 | 0.290 |
≥ 4d | 62 | 12 | 19.4 | |||
Season | Summer | 42 | 7 | 16.7 | 0.159 | 0.924 |
Spring and autumn | 89 | 13 | 14.6 | |||
Winter | 23 | 4 | 17.4 | |||
Disease types | TN | 70 | 10 | 14.3 | 0.221 | 0.639 |
HFS | 82 | 14 | 17.1 |