Table 3 Multifocality. Type of surgery. Laterality. Additional surgery. Recurrent or persistent PHPT rates

Recurrent or persistent PHPT

Positive

2

2.2

11

10

0.023

Negative

91

97.8

99

90

Surgery type

Focused

64

68.8

65

59.1

0.151

Extended

29

31.2

45

40.9

Laterality

Unilateral

15

16.1

17

15.4

0.237

Bilateral

14

15.1

28

25.5

Additional surgery

Total Thyroidectomy

1

1.1

4

3.6

0.750

Lobectomy

3

3.2

7

6.4

Thymectomy

2

2.2

2

1.6

Multifocality

Positive

7

7.5

6

5.5

0.548

Negative

86

92.5

104

94.5