Table 2. Demographic data of 15 patients who underwent STET.

Demographic data	STET
Sex (male/female)	8/7
Age (years)	36.87±12.72 (range, 14–58)
True thymic hyperplasia	8
Thymoma type (A/AB/B1/B2/B3)	6 (1/0/3/2/0)
Operation time (min)	157.53±40.31 (range, 73–275)
Blood loss (mL)	56.33±7.07 (range, 10–200)
Duration of postoperative hospital stay (d)	6.13±0.71 (range, 3–22)
Pleural drainage volume (mL)	72.67±17.68 (range, 0–250)
Thoracic drainage periods (d)	1.20±0.71 (range, 0–3)

STET, subcostal thoracoscopic extended thymectomy.