Table 2. Operative and anesthetic results.

Variablea	Frequency (n=30, %)
Time for insertion, min	1.26±0.98
The first successful attempt, n	27 (90.0)
Insertion duration, min	123.27±55.645
Numbers of Nuss bar insertion, n
1	26 (86.7)
2	4 (13.3)
Conversion, n
Conversion to intubation	1 (3.3%)
Conversion to open surgery	0
Operative length, min	79.96±45.37
Blood loss, mL	8.13±9.30
Operative complications, n
Hydrothorax requiring treatment	2 (6.7)
Gastroesophageal reflux	0
Mortality, n	0
Postoperative hospital stay, d	4.13±1.30

^a, continuous data are shown as mean ± standard deviation, and categorical data as number (%).