Table 2 Surgical extent and complications associated with the number of excised parathyroid glands
Number of parathyroid glands in resected specimen | P-value | |||||
|---|---|---|---|---|---|---|
Variable | 0 (A) N = 364 | 1(B) N = 80 | 2 or more (C) N = 10 | Total n = 454 | A versus B | B versus C |
CND | <0.001 | 0.749 | ||||
None | 118 (32.4%) | 4 (5.0%) | 0 | 122 (26.9%) | ||
Unilateral | 91 (25.0%) | 13 (16.3%) | 2 (20.0%) | 106 (23.3%) | ||
Bilateral | 155 (42.6%) | 63 (78.8%) | 8 (80.0%) | 226 (49.8%) | ||
Retrieved CLN (No) | 5.0 ± 5.5 | 7.4 ± 5.2 | 7.7 ± 2.8 | 5.5 ± 5.5 | < 0.001 | 0.641 |
Metastatic CLN (No) | 1.2 ± 2.6 | 2.1 ± 3.3 | 2.3 ± 2.8 | 1.4 ± 2.8 | 0.001 | 0.748 |
Lateral ND | 51/364 (14.0%) | 18/80 (22.5%) | 2/10 (20%) | 71/454 (15.6%) | 0.062 | 0.610 |
Operation time (minutes) | 162.2 ± 73.7 | 179.1 ± 93.6 | 198.0 ± 142.5 | 166.0 ± 79.6 | 0.218 | 0.651 |
PTH, preop | 38.35 ± 15.06 | 39.13 ± 14.09 | 34.23 ± 12.37 | 38.38 ± 14.81 | 0.701 | 0.432 |
PTH, postop 1 day | 14.77 ± 11.82 | 11.71 ± 8.90 | 11.95 ± 11.32 | 14.15 ± 11.32 | 0.062 | 0.716 |
PTH, postop 1 week | 21.39 ± 13.46 | 18.89 ± 11.12 | 17.07 ± 9.13 | 20.86 ± 13.02 | 0.125 | 0.813 |
PTH, postop 6 months | 32.54 ± 15.04 | 31.25 ± 15.33 | 26.22 ± 14.87 | 32.11 ± 15.10 | 0.378 | 0.346 |
Dec. ratio, postop 1 day | 58.65 ± 33.43 | 63.54 ± 35.55 | 67.55 ± 15.98 | 59.74 ± 33.49 | 0177 | 0.722 |
Dec. ratio, postop 1 week | 40.52 ± 38.23 | 49.45 ± 24.49 | 41.39 ± 38 | 41.39 ± 38.63 | 0.248 | 0.910 |
Dec. ratio, postop 6 months | 7.09 ± 53.72 | 13.24 ± 50.51 | 21.49 ± 43.53 | 8.71 ± 52.80 | 0.124 | 0.813 |
Hypoparathyroidism | ||||||
Temporary | 194/364 (53.3%) | 53/80 (66.3%) | 7/10 (70%) | 254 (55.9%) | 0.010 | 0.697 |
Permanent | 13/364 (3.6%) | 6/80 (7.5%) | 1/10 (10%) | 20 (4.4%) | 0.128 | 0.575 |
IV calcium administration | 27/364 (7.4%) | 10/80 (12.5%) | 3/10 (30%) | 40/454 (8.8%) | 0.177 | 0.155 |
Vocal cord paralysis | 0.787 | 0.093 | ||||
None | 351 (96.2%) | 77 (96.3%) | 8 (80%) | 436 (96.0%) | ||
Temporary | 12 (3.3%) | 3 (3.8%) | 2 (20%) | 17 (3.7%) | ||
Permanent | 1 (0.3%) | 0 | 0 | 1 (0.2%) | ||
Hematoma | 15/364 (4.1%) | 4/80 (5%) | 0 | 19/454 (4.2%) | 0.760 | 0.619 |