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Table 4 Clinical characteristics of relative hypoPT

From: Role of the 2018 American Thyroid Association statement on postoperative hypoparathyroidism: a 5-year retrospective study

Index No hypoPT (N = 1043) Transient hypoPT (N = 23) P
Age 41.06 ± 11.05 45.22 ± 9.08 0.073
 ≥ 55 years 109 (10.5) 3 (13.0) 0.726
Gender    
Male 333 (31.9) 6 (26.1) 0.552
Female 710 (68.1) 17 (73.9) 0.552
131I 546 (52.3) 16 (69.6) 0.102
BMI 23.23 ± 4.12 24.34 ± 2.81 0.207
> 24 376 (36.6) 12 (54.5) 0.084
Hypertension 84 (8.1) 3 (13.0) 0.426
Diabetes 31 (3.0) 0 (0) 1
Hypothyroidism 14 (1.3) 1 (4.3) 0.281
Hyperthyroidism 27 (2.6) 0 (0) 1
HD 229 (22) 2 (8.7) 0.197
NG 541 (51.9) 14 (60.9) 0.393
Pre PTH 4.96 ± 1.1 5.49 ± 1.03 0.020*
Pre Ca 2.35 ± 0.14 2.33 ± 0.08 0.610
Pre Mg 0.89 ± 0.09 0.95 ± 0.09 0.004*
Pre P 1.12 ± 0.20 1.07 ± 0.15 0.256
Pre 25-OH-VD 45.81 ± 17.02 50.00 ± 15.40 0.467
Carbon nanoparticles 787 (75.5) 18 (78.3) 1
Unintentionally resected PGs 0.09 ± 0.35 0.04 ± 0.21 0.486
≥ 1PG 83 (8.0) 1 (4.3) 1
Autotransplanted PGs 0.99 ± 0.77 1.26 ± 0.75 0.092
No PG 298 (28.6) 3 (13.0) 0.157
1 PG 474 (45.4) 12 (52.2) 0.522
 ≥ 2PGs 271 (26.0) 8 (34.8) 0.342
Neck dissection    
UCND 277 (26.6) 8 (34.8) 0.378
BCND 766 (73.4) 15 (65.2) 0.378
ULND 184 (17.6) 7 (30.4) 0.114
BLND 21 (2.0) 0 (0) 1
Intraoperative blood loss (mL) 44.25 ± 41.11 57.83 ± 63.17 0.316
Intraoperative liquid infusion (mL) 1330 ± 700 1434 ± 895 0.494
Tumor characteristics    
Isthmus 48 (4.8) 0 (0) 0.619
Multifocality 142 (14.1) 10 (43.5) 0.032*
Bilaterality 245 (24) 7 (33.3) 0.014*
Capsular invasion 227 (21.8) 2 (8.7) 0.197
Minor ETE 95 (9.1) 4 (17.4) 0.262
Major ETE 56 (5.4) 2 (8.7) 0.360
  1. BMI, Body mass index; HD, Hashimoto’s thyroiditis; NG, Nodular goiter; Pre, preoperative; PTH, Parathyroid Hormone; Ca, calcium; Mg, Magnesium; P, phosphorus; PG, Parathyroid Gland; UCND, unilateral central neck dissection; BCND, bilateral central dissection; ULND, unilateral lateral neck dissection; BLND, bilateral lateral neck dissection; ETE, extrathyroidal extension
  2. *P < 0.05