Table 2.
Variables | CS group (N = 242) |
IS group (N = 1739) |
p | ||
---|---|---|---|---|---|
No. of events | % [CI] | No. of events | % [CI] | ||
Levothyroxine administration after surgerya | 154 | 63.6 [57.9–70.0] | 1134 | 65.2 [63.0–67.5] | 0.631 |
Postoperative hematoma requiring reoperation | 1 | 0.4 [0.1–2.9] | 13 | 0.7 [0.4–1.3] | 0.561 |
Transient vocal cord paralysis | 26 | 10.7 [7.5–15.4] | 151 | 8.7 [7.5–10.1] | 0.292 |
Permanent vocal cord paralysis due tob | 0 | 0.0 [0–NaN] | 15 | 0.9 [0.5–1.4] | 0.147 |
Accidental transection or injury | 4 | 0.2 [0.1–0.6] | |||
Surgery for tumor invasion | 11 | 0.6 [0.4–1.1] | |||
Transient hypoparathyroidism | 60 | 24.8 [19.9–30.9] | 362 | 20.8 [19.0–22.8] | 0.157 |
Permanent hypoparathyroidismc | 5 | 2.1 [0.9–4.9] | 24 | 1.4 [0.9–2.1] | 0.405 |
Recurrence in the neck | |||||
Contralateral lobe | 0 | 0.0 [0–NaN] | 6 | 0.3 [0.2–0.8] | 0.360 |
Lymph node | 1 | 0.4 [0.1–2.9] | 3 | 0.2 [0.1–0.5] | 0.434 |
Patients who were administered levothyroxine before surgery were not included.
Persistent vocal code paralysis on laryngoscopy one year after surgery or longer.
Administration of vitamin D and/or calcium preparation one year after surgery or longer.
[CI], confidence interval; NaN, not a number.