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Table 1 Summary of characteristics of surgery and histology in drain versus no-drain group

From: The impact of routine open nonsuction drainage on fluid accumulation after thyroid surgery: a prospective randomised clinical trial

Measurement parameter Drain group No drain group P-value
Type of surgery (n)    0.497
Lobectomy and isthmusectomy 30 30  
Total 13 9  
Completion 6 5  
Mean length of surgery (minutes) 106.5 107.3 0.875
Mean histological weight (g) 63.3 54.4 0.537
Mean histological size (cm3) 71.3 77.0 0.833
Patients taking anticoagulants (n) 6 5 0.865
Indication for surgery (n)    
Suspicious nodule for cancer 44 42 0.215
Hypervascular disorders    
Graves disease 2 1 0.541
Hashimoto’s thyroiditis 0 0 -
Hyperthyroidism 3 1 0.289
Histological diagnosis (n)    
Cancer 14 7 0.062
Hypervascular disorders    
Graves disease 1 0 -
Hashimoto’s thyroiditis 6 3 0.275
  1. No significant intergroup differences were observed (two-paired Student’s t-test and Fisher’s exact test).