Table 1.

Comparison of clinical data between ETP+AT and TP+AT

Parameter	ETP+AT	TP+AT	P
Sex (male/female)	15/19	13/20	>0.05
No. of excised parathyroid glands	136	128	>0.05
Duration of the operation (h)	2.5 ± 0.9	2.9 ± 1.4	>0.05
Intraoperative blood loss (ml)	20	80	<0.05
Postoperative bleeding	0	0	–
Conversion to open surgery	1 (2.9%)	–	–
Hoarseness	1 (2.9%)	1 (3.0%)	>0.05
Recurrence	1 (2.9%)	3 (9.1%)	<0.05
Hospital stay (days)	4.3 ± 1.1	6.5 ± 1.8	<0.05

ETP endoscopic total parathyroidectomy, AT autotransplantation