Table 2 Comparison of baseline data between the 2 groups
Group | Monotherapy Group (n = 50) | Combination Group (n = 56) | χ2/t | P value |
|---|---|---|---|---|
Sex | ||||
 Male | 27 (54.00) | 26 (46.43) | 0.606 | 0.436 |
 Female | 23 (46.00) | 30 (53.57) | ||
Age, y | 66.8 ± 8.9 | 68.3 ± 9.1 | 0.856 | 0.394 |
BMI (kg/m2) | 21.42 ± 2.15 | 22.03 ± 2.12 | 1.469 | 0.145 |
Education level | ||||
 <Junior diploma | 22 (44.00) | 27 (48.21) | 0.189 | 0.664 |
 ≥Junior diploma | 28 (56.00) | 29 (51.79) | ||
Place of residence | ||||
 Urban area | 26 (52.00) | 25 (44.64) | 0.573 | 0.449 |
 Rural area | 24 (48.00) | 31 (55.36) | ||
Smoking history | ||||
 Yes | 31 (62.00) | 29 (51.79) | 1.122 | 0.290 |
 No | 19 (38.00) | 27 (48.21) | ||
Drinking history | ||||
 Yes | 29 (58.00) | 28 (50.00) | 0.680 | 0.410 |
 No | 21 (42.00) | 28 (50.00) | ||