Table 1 Characteristics of PTMC group and BTN control group
Variables | PTM (n = 50) | BTN (n = 50) | χ2 | P |
|---|---|---|---|---|
Age (years) | 2.990 | 0.084 | ||
≥ 60岁 | 4 | 10 | ||
< 60岁 | 46 | 40 | ||
Sex | 0.065 | 0.799 | ||
Male | 10 | 9 | ||
Female | 40 | 41 | ||
Smoking status | 0.122 | 0.727 | ||
Yes | 5 | 4 | ||
No | 45 | 46 | ||
Obesity (BMI ≥ 24) | 1.442 | 0.230 | ||
Yes | 27 | 21 | ||
No | 23 | 29 | ||