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Table 4 CSI values (mean ± SD) in patients under sedation or not.

From: Use of cerebral state index to predict long-term unconsciousness in patients after elective craniotomy with delay recovery

NICU admitted hours Under sedation (n = 11) Not receiving sedatives (n = 40) P
1 63 ± 15 78 ± 9 < 0.001
2 85 ± 9 85 ± 12 0.99
3 90 ± 7 86 ± 12 0.34
4 89 ± 8 86 ± 11 0.37
5 89 ± 7 88 ± 7 0.63
6 90 ± 5 88 ± 8 0.36
  1. CSI: cerebral state index; NICU: neurosurgical intensive care unit.