Table 1 Comparison of baseline characteristics
Characteristic | Case(n = 31) | Controls(n = 62) | P value |
|---|---|---|---|
Sex | 1.0a | ||
Male | 20(64.5%) | 40(64.5%) | |
Female | 11(35.5%) | 22(35.5%) | |
Age (years) | 1.0b | ||
Mean (SD) | 45.9(15.1) | 45.9(15.0) | |
Median (IQR) | 50(33–57) | 50(33–57) | |
Range | 17–77 | 17–77 | |
BMI (kg/m2) | 0.007b | ||
Mean (SD) | 26.0(4.8) | 23.3(2.9) | |
Median (IQR) | 25.1(22.6–27.7) | 23.4(21.4, 25.5) | |
Range | 18.7–41.0 | 15.6–28.6 | |
Diabetes mellitus (yes or no) | 2(6.5%) | 2(3.2%) | 0.598c |
Previous ratio-therapy (yes or no) | 3(9.7%) | 2(3.2%) | 0.329c |
Recurrence tumor (yes or no) | 4(12.9%) | 3(4.8%) | 0.217c |
Histological diagnosis | 0.495a | ||
High-grade glioma | 14(45.2%) | 17(27.4%) | |
Low-grade glioma | 4(12.9%) | 11(17.7%) | |
Meningiomas | 6(19.4%) | 17(27.4%) | |
Hemangioblastoma | 2(6.5%) | 1(1.6%) | |
Metastatic tumor | 0(0%) | 4(6.5%) | |
Schwannomas | 1(3.2%) | 5(6.5%) | |
Epidermoid cysts | 1(3.2%) | 2(3.2%) | |
Other tumors | 3(9.7%) | 6(9.7%) | |
Type of surgical wound* | 0.745a | ||
I (Clean) | 28(90.3%) | 53(85.5%) | |
II (Clean/Contaminated) | 3(9.7%) | 9(14.5%) | |
Operative duration(h) | 0.001b | ||
Mean(SD) | 4.6(1.1) | 3.8(1.0) | |
Median (IQR) | 4.5(4.0, 5.5) | 3.9(3.0, 4.4) | |
Range | 2.8–6.8 | 1.9–7.0 | |
Estimated blood loss(ml) | 0.137b | ||
Mean(SD) | 258.1(200.0) | 211.29(101.4) | |
Median (IQR) | 200(100, 300) | 200(150, 300) | |
Range | 100–1200 | 50–600 | |
Length of post-operative hospital stay (days) | < 0.001b | ||
Mean(SD) | 28.3(16.1) | 9.7(2.9) | |
Median (IQR) | 23(20, 31) | 9.0(7.8, 11.0) | |
Range | 14–94 | 6–20 | |