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Table 3 Comparison of the analgesic effect and occurrence of adverse events in the three groups

From: Efficacy of different dose of dexmedetomidine combined with remifentanil in colonoscopy: a randomized controlled trial

Items Group I Group II Group III
Slight body movement 13 6a 3ab
Severe body movement 2 0 0
Could be awaked up 50 50 50
Could change position independently
(patients need change position)
8 (8) 11 (11) 8 (9)
Bradycardia 0 1a 6ab
Hypotension 0 0 0
Nausea and vomiting 1 1 2
  1. aP < 0.05 vs. group I; b P < 0.05 vs. group II
  2. n = 50/group