Table 1. Demographic data.

Variable	TTP under general anesthesia (n=11)	TSP via a chest tube under local anesthesia (n=6)	P value
Age (years)
Median (range)	79.0 [69–90]	67.5 [65–81]	0.107
Affected side (%)
Right	8 (72.7)	3 (50.0)
Left	3 (27.3)	2 (33.3)
Bilateral	0	1 (16.7)	0.334
PS (%)
0–1	11 [100]	2 (33.3)
≥2	0	4 (66.7)	0.006
Smoking index
Median (range)	580 [200–2,500]	700 [500–1,600]	0.511
Comorbid lung disease except for emphysema (%)
Bronchial asthma	1 (9.1)	1 (16.7)	1.000
IP	0	4 (66.7)	0.006
Drainage period before pleurodesis (days)
Median (range)	11 [5–35]	13.5 [6–21]	1.000

TTP, thoracoscopic talc poudrage; TSP, talc slurry pleurodesis; PS, performance status; IP, interstitial pneumonia.