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Table 1 Demographic and clinical data, preoperative studies

From: Intraoperative parathyroid hormone (PTH) testing in patients with primary hyperparathyroidism and PTH levels in the normal range

 

Group A (n = 9)

Group B (n = 235)

p value

Male

2 (22.2%)

34 (14.4%)

0.86

Female

7 (77.8%)

201 (85.6%)

Age (years)

51.5 ± 12.9

59.6 ± 12.5

0.06

Preoperative calcium (mg/dl)

11.2 ± 0.6

11.4 ± 1.2

0.64

Preoperative PTH (pg/ml)

55 ± 12.2

305 ± 301.1

0.013

Coexisting thyroid disease

3 (33.3%)

72 (30.6%)

0.84

Symptomatic PHP

7 (77.8%)

92 (39.1%)

0.048

- Cardiovascular disease

4 (22.2%)

41 (17.4%)

0.11

- Nephrolithiasis

2 (22.2%)

24 (10.2%)

0.55

- Osteoporosis

3 (33.3%)

22 (9.4%)

0.07

- Other

2 (22.2%)

25 (10.6%)

0.58

Preoperative studies

   

- Concordant MIBI and US

6 (66.7%)

130* (64%)

0.84

- Discordant MIBI and US

3 (33.3%)

73* (36%)

  1. US: ultrasound; MIBI: 99mTc-Sestamibi scan. * On 203 patients who underwent preoperative both US and MIBI scan