Variable

Nanocarbon particles group

Control group

P value

Parathyroid gland

Incidental remove (n)

1

6

Autotransplantation (n)

1 (2.38%)

6 (14.29%)

0.048

Laboratory results of PTH (Mean ± SD, mg/dl)

Preoperative

58.07 ± 4.17

50.96 ± 4.29

0.238

+1 day

28.17 ± 2.87

19.50 ± 2.84

0.035

+30 day

47.93 ± 4.02

38.68 ± 4.72

0.140

Laboratory results of serum calcium

(Mean ± SD, mmol/l)

Preoperative

2.29 ± 0.01

2.32 ± 0.02

0.221

+1 day

2.14 ± 0.02

2.19 ± 0.03

0.197

+30 day

2.25 ± 0.02

2.27 ± 0.03

0.590

Transient-hypoparathyroidism (%)

10 (23.81%)

24 (51.14%)

0.002

Transient-hypocalcemia (%)

4 (9.5%)

5 (11.9%)

1.000