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Table 1 Selection criteria for trial eligibility

From: Maintaining endotracheal tube cuff pressure at 20 mm Hg to prevent dysphagia after anterior cervical spine surgery; protocol of a double-blind randomised controlled trial

Inclusion criteria  
  Age 18-90 years
Primary anterior cervical spine surgery on 1 or more levels
Informed consent
Exclusion criteria  
  Pre-operative dysphagia, hoarseness or sore throat
Pre-operative recurrent laryngeal nerve palsy
Previous anterior cervical spine surgery
Inadequate Dutch language
Planned fiberoptic intubation or rapid sequence induction
Peroperative use of N2O
Mentally disabled patients