Factors | Transient hypoparathyroidism | P-value | |
---|---|---|---|
Ā | No nā=ā180 | Yes nā=ā254 | Ā |
Age | 51.8āĀ±ā12.4 | 49.6āĀ±ā12.5 | 0.075 |
Gender | Ā | Ā | 0.411 |
āāMale | 43 (23.9%) | 52 (20.5%) | Ā |
āāFemale | 137 (76.1%) | 202 (79.5%) | Ā |
Tumor size (mm) | 12.1āĀ±ā9.7 | 11.4āĀ±ā8.6 | 0.398 |
Tumor location | Ā | Ā | 0.899 |
āāRight | 69 (38.3%) | 97 (38.2%) | Ā |
āāLeft | 64 (35.6%) | 97 (38.2%) | Ā |
āāBilateral | 41 (22.8%) | 51 (20.1%) | Ā |
āāConfined to isthmus | 6 (3.3%) | 9 (3.5%) | Ā |
Tumor multiplicity | 55/180 (3.6%) | 72/254 (28.3%) | 0.669 |
Tumor bilaterality | 44/180 (24.4%) | 52/254 (20.5%) | 0.349 |
Preserved PTG number | Ā | Ā | 0.025 |
āā4 | 157 (87.2%) | 194 (76.4%) | Ā |
āā3 | 21 (11.75) | 53 (20.9%) | 0.010 |
āā2 | 1 (0.6%) | 5 (2.0%) | 0.470 |
āā1 | 1 (0.6%) | 2 (0.8%) | 0.583 |
Incidental parathyroidectomy | 23/180 (12.8%) | 60/254 (23.6%) | 0.004 |
T classification | Ā | Ā | 0.123 |
āāT1 | 98(54.4%) | 136(53.5%) | Ā |
āāT2 | 15(8.3%) | 11(4.3%) | Ā |
āāT3 | 64(35.6%) | 106(41.7%) | Ā |
āāT4 | 3(1.7%) | 1(0.4%) | Ā |
N classification | Ā | Ā | 0.422 |
āāN0 | 116(64.4%) | 153(60.2%) | Ā |
āāN1 | 64(35.6%) | 101(39.8%) | Ā |
TNM stage | Ā | Ā | 0.212 |
āāI | 100(55.6%) | 158(62.2%) | Ā |
āāII | 7(3.9%) | 3(1.2%) | Ā |
āāIII | 52(28.9%) | 65(25.6%) | Ā |
āāIV | 21(11.7%) | 28(11.0%) | Ā |
Extrathyroidal extension (minimal) | 79/180 (43.9%) | 118/254 (46.5%) | 0.625 |
CND (bilateral versus unilateral) | 79/122(64.8%) | 137/194(70.6%) | 0.320 |
CND (yes versus no) | 122/180 (67.8%) | 194/254 (76.4%) | 0.031 |
Lateral ND | 26/180 (14.4%) | 39/254 (15.4%) | 0.892 |
Lateral LN metastasis | Ā | Ā | 0.275 |
āāNone | 161 (89.4%) | 218 (85.8%) | Ā |
āāUnilateral | 13 (7.2%) | 30 (11.8%) | Ā |
āāBilateral | 6 (3.3%) | 6 (2.4%) | Ā |
Operation time (minutes) | 160āĀ±ā74 | 170āĀ±ā84 | 0.215 |
Retrieved central LN (No) | 4.6āĀ±ā5.1 | 6.0āĀ±ā5.6 | 0.007 |
Metastatic central LN (No) | 1.0āĀ±ā2.0 | 1.6āĀ±ā3.2 | 0.016 |
Amount of drainage (mL) | 224āĀ±ā787 | 225āĀ±ā619 | 0.985 |
Vocal cord paralysis | Ā | Ā | 0.679 |
āāNone | 172(95.6%) | 244(96.1%) | Ā |
āāTemporary | 7(3.9%) | 10(3.9%) | Ā |
āāPermanent | 1(0.6%) | 0 | Ā |
Hematoma | 8/180(4.4%) | 11/254(4.3%) | 0.567 |