Table 1.

Patients in this study - basic information.

Characteristic	Mean ± SD or number (%)
Gender  Male  Female	4 (40) 6 (60)
Age (y)	63.00 ± 8.08
Body mass (kg)	63.58 ± 10.94
Height (cm)	162.60 ± 8.72
BMI (kg/m2)	24.02 ± 2.89
Smoking status  Current smoker  Previous smoker	0 (0) 3 (30)
Ethnicity  Han Chinese people	10 (100)
Marital status  Married  Single	7 (70) 3(30)
Chemotherapy  No chemotherapy	10(100)