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Table 1 Demographic data and ASA classification

From: Surveillance of the incidence and causative pathogens of meningitis and surgical site infection after craniotomies for brain tumors in neurosugical ICU and ward: a cohort study

  Pre-protocol Post - protocol P value
Age (y) 40.63 ± 10.38 41.21 ± 10.87 0.553
sex male 95 (47.7%) 160 (55.4%) 0.097
female 104 (52.3%) 129 (44.6%)
ASA ASA I 173 (86.9%)† 197 (68.2%)† * < 0.0001
ASA II 26 (13.1%)† 92 (31.8%)†
  1. Data are expressed as Mean ± SD or total number and (%)
  2. *denotes statistically significant difference between ASA I and ASA II in Both groups P value was found to be < 0.0001
  3. †denotes statistical significant difference between ASA I and ASA II in the same group, P value was found to be < 0.0001 in both groups
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