Table 2.

Postoperative outcomes.

	A: standard treatment (69)	B: cellulose gauze (81)	C: CFTP (76)	One-way ANOVA p value	Post hoc Tukey test p value
Operation length, mean ± SD, (range)  min	112 ± 26.63  (75–180)	111 ± 14.91  (90–140)	114 ± 30.62  (80–190)	0.679	A : B 0.899  A : C 0.758  B : C 0.672
Drainage volume, mean ± SD, (range)  mL	80 ± 9.83  (70–100)	79 ± 12.19  (65–105)	60 ± 9.38  (50–80)	<0.001	A : B 0.740  A : C p < 0.001  B : C p < 0.001
Postoperative hemorrhage, n (%)	2 (2.9%)	1 (1.2%)	0	0.315	A : B 0.637  A : C 0.283  B : C 0.758
Seroma, n (%)	0	5 (6.2%)	0	0.010	A : B 0.026  A : C 0.899  B : C 0.022
Transient postoperative hypoparathyroidism, n (%)	8 (11.6%)	6 (7.4%)	7 (9.2%)	0.681	A : B 0.643  A : C 0.863  B : C 0.899
Transient recurrent laryngeal nerve palsy, n (%)	4 (5.8%)	3 (3.7%)	4 (5.3%)	0.824	A : B 0.806  A : C 0.899  B : C 0.886
Total postoperative morbidity  n (%)	14 (20.3%)	15 (18.5%)	11 (14.5%)	0.641	A : B 0.899  A : C 0.622  B : C 0.766