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Table 3 Comparison of serum PTH and calcium level between patients with IPG orthotopic retention and auto-transplantation after surgery

From: Clinical significance of retrograde inferior parathyroid protection technique based on thymus preservation in thyroid surgery

Variable

IPG orthotopic retention

IPG auto-

transplantation

Chi-square value

P value

PTH (pre-operation)

3.98 ± 1.30

4.00 ± 1.58

-0.074

0.941

PTH (1 days after surgery)

3.36 ± 1.31

2.89 ± 1.36

2.424

0.016

PTH (2 months after surgery)

3.82 ± 1.12

3.83 ± 1.79

-0.041

0.968

PTH (6 months after surgery)

4.18 ± 1.47

3.57 ± 1.52

2.767

0.006

Ca (pre-operation)

2.34 ± 0.07

2.35 ± 0.17

-0.185

0.853

Ca (1 days after surgery)

2.21 ± 0.10

2.19 ± 0.10

1.268

0.206

Ca (2 months after surgery)

2.39 ± 0.11

2.38 ± 0.11

0.448

0.654

Ca (6 months after surgery)

2.42 ± 0.35

2.35 ± 0.10

1.678

0.098

  1. Note Measurement unit for PTH level and serum calcium level is pmol/L, mmol/L respectively