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. 2011 Mar 16;2011(3):CD002211. doi: 10.1002/14651858.CD002211.pub2

Nunez 2000.

Methods Randomisation by sealed envelope
Participants 54 children (age 3 to 12 years)
Interventions Monopolar dissection/haemostasis versus dissection/snare with monopolar haemostasis
Outcomes 1. Intraoperative blood loss 
 2. In‐patient record of number/types of analgesia 
 3. Patient diary record 
 4. Visits to GP
Notes Monopolar dissection at 70 W with haemostasis at 30 W. Dissection tonsillectomy with Gwynne‐Evans and snare, monopolar haemostasis at 30 W.
Risk of bias
Bias Authors' judgement Support for judgement
Adequate sequence generation? Low risk  
Allocation concealment? Low risk  
Blinding? 
 All outcomes Low risk Outcome assessors blinded with the exception of measurement of intraoperative haemorrhage
Incomplete outcome data addressed? 
 All outcomes Low risk Children who withdrew from the trial (2) or violated the protocol (2) were not included for analysis (4 of 54 children were excluded). The protocol violations were both in the cold dissection group and were excluded because of concurrent antibiotic use or another breach of the study protocol.
Free of selective reporting? Low risk  
Free of other bias? Low risk