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. 2017 Dec;6(Suppl 1):S11–S19. doi: 10.21037/gs.2017.10.04

Table 3. Demographic and clinical characteristics of 54 patients with protracted hypoparathyroidism who did or did not develop permanent hypoparathyroidism.

Characteristic Permanent hypoparathyroidism P value
Yes (n=22) No (n=32)
Age (years) 48 [14] 53 [15] 0.240*
Gender, n [%] 0.493
   Male 3 [27] 8 [73]
   Female 19 [44] 24 [56]
Benign/malignant (n) 10/12 16/16 0.865
Identified parathyroid glands 2.6 (0.9) 2.7 [1] 0.942*
Preoperative serum calcium (mg/dL) 9.3 (0.4) 9.4 (0.3) 0.263*
Preoperative iPTH (pg/mL) 42 [19] 54 [20] 0.039*
Preoperative 25-OH-D3 (ng/mL) 19 [9] 21 [8] 0.364*
Serum calcium 24 h after surgery (mg/dL) 7.2 (0.6) 7.4 (0.5) 0.194*
iPTH 24 h after surgery (pg/mL) 2.2 (3.6) 3.0 (0.5) 0.474*
iPTH 1 week after surgery (pg/mL) 2.1 (3.4) 2.9 (0.4) 0.474*
iPTH 1 month after surgery (pg/mL) 3.7 (3.9) 7.3 (4.2) 0.002*
Serum calcium 1 month after surgery (mg/dL) 8.9 (0.5) 9.7 (0.9) 0.002*
1, 25-OH2-D3 1 month after surgery (pg/mL) 34 [9] 41 [17] 0.074*
PGRIS categories, n [%] 0.911
   1–2 15 [68] 20 [63]
   3–4 7 [32] 12 [37]

*, two-tailed Student-Fisher t-test for unpaired data and equivalent variances; , χ2 test. PGRIS, parathyroid glands remaining in situ.