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Case Control Study
Copyright: ©Author(s) 2026.
World J Clin Oncol. Aug 24, 2026; 17(8): 122421
Published online Aug 24, 2026. doi: 10.5306/wjco.122421
Table 1 Demographic differences of the study cohort (n = 230), n (%)
Variable
Non-SSI (n = 184)
SSI (n = 46)
P value
Age (years)57.00 (43.00, 62.00)57.00 (43.00, 62.00)0.948
Sex> 0.999
Female128 (70)32 (70)
Male56 (30)14 (30)
Year> 0.999
202120 (11)5 (11)
202216 (8.7)4 (8.7)
202336 (20)9 (20)
202468 (37)17 (37)
202544 (24)11 (24)
Preop days2.50 (1.00, 4.00)3.50 (2.00, 4.75)0.161
ASA> 0.999
I-II169 (92)43 (93)
III-IV15 (8.2)3 (6.5)
Wound class0.789
I155 (84)38 (83)
II29 (16)8 (17)
Blood loss (mL)20.00 (0.00, 100.00)0.00 (0.00, 100.00)0.505
Skull base72 (39)33 (72)< 0.001
Recurrence20 (11)5 (11)> 0.999
Tumor size (mm)27.00 (19.00, 39.12)40.00 (30.00, 52.75)< 0.001
WHO grade0.413
1155 (84.2)38 (82.6)
2-329 (15.8)8(17.4)
Intraop_EVD/LD19 (10)16 (35)< 0.001
Steroid_periop50 (27)29 (63)< 0.001
Preop_antibiotics133(72)26 (57)0.038
mFI-50.035
096 (52)16 (35)
≥ 188 (48)30 (65)
PNI51.50 (46.39, 54.32)49.15 (44.26, 54.34)0.308
NLR2.13 (1.63, 3.17)2.49 (1.64, 3.26)0.143
GNRI105.06 (100.18, 108.91)104.01 (100.48, 108.07)0.455
Pre-exist HAI before SSI5 (2.7)3 (6.5)0.200
Surgery time (hour)2.42 (1.67, 3.00)4.17 (2.83, 6.00)< 0.001


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