Table 6 Secondary thyroid operations in 1996–2003 (Period I) vs. 2011–2015 and 2018–2020 (Period II).

From: Changes in thyroid surgery over last 25 years

Secondary thyroid surgery

 

I (1996–2003)

II (2011–2015, 2018–2020)

Statistic

Total Number of patients, n (%)

132 (4.88%)

79 (7.59%)

chi2, df = 1

10.41

p level

p = 0.0013

Diagnosis

Nodular goiter

93 (70.45%)

54 (68.35%)

0.10

p = 0.7481

Toxic goiter

32 (24.24%)

7 (8.86%)

7.76

p = 0.0053

Thyroiditis

3 (2.27%)

(̄–)

1.82

p = 0.1772

Cancer

4 (3.03%)

18 (22.78%)

20.65

p < 0.00001

Thyroid operation:

Subtotal bilateral thyroidectomy

104 (78.78%)

5 (6.32%)

103.91

p < 0.00001

Dunhill procedure

14 (10.6%)

2 (2.53%)

4.6

p = 0.0320

Total thyroidectomy

14 (10.6%)

44 (55.7%)

50.41

p < 0.00001

Excision of a thyroid lobe with the isthmus

28 (35.44%)