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Table 3 Surgery-related characteristics and postoperative course

From: The impact of preoperative language mapping by repetitive navigated transcranial magnetic stimulation on the clinical course of brain tumor patients

  GROUP 1 GROUP 2 p-value
Mean surgery duration (min) 240.3 ± 53.2 215.5 ± 48.5 0.0914
Residual tumor (%) intraoperatively expected 12.0 24.0 0.2695
on post-operative MRI 44.0 40.0 0.7745
unexpected residual 32.0 16.0 0.1853
Surgery-related complications on MRI (%) Increasing edema 4.2 0.0 0.4810
Ischemia 29.2 30.8
Bleeding 25.0 15.4
CSF circulation dysfunction 4.2 0.0
Median postoperative Karnofsky performance status (%) 80 (95% CI 75.8 – 84.2) 90 (95% CI 85.5 – 94.6) 0.2102
Mean inpatient stay (days) 12.2 ± 6.5 11.6 ± 5.8 0.7152
Postoperative language deficit (%) none/mild 52.0 84.0 0.0153
medium/severe 48.0 16.0
Follow-up language deficit (%) none/mild 84.0 92.0 0.3841
medium/severe 16.0 8.0
  1. This table provides information about the clinical course of GROUP 1 compared to GROUP 2, including duration of surgery, residual tumor, unexpected residual, surgery-related complications, Karnofsky performance status scale (KPS), inpatient stay, language status at the 5th postoperative day, and language status during follow-ups.