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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).