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Table 3 Comparison of biochemical variables between group At and Bt

From: Effects of active localization and vascular preservation of inferior parathyroid glands in central neck dissection for papillary thyroid carcinoma

Biochemical variables

Groups

  

Group A (n = 18)

Group B (n = 11)

Z

P

Pre-PTH (pg/ml)

45.00 (35.43, 58.13)

41.40 (31.60, 59.80)

0.652

0.515

Post-PTH (pg/ml)

15.40 (6.85, 24.58)

18.40 (14.70, 24.30)

0.472

0.637

Pre-Ca (mmol/L)

2.31 (2.24, 2.38)

2.37 (2.29, 2.41)

0.856

0.392

Post-Ca (mmol/L)

1.97 (1.82, 2.05)

1.99 (1.89, 2.05)

0.562

0.574

  1. Mann-Whitney U test was employed
  2. Pre-PTH preoperative PTH, Post-PTH postoperative PTH, Pre-Ca preoperative total calcium, Post-Ca postoperative total calcium