Table 3 Univariate analysis of risk factors for postoperative cough in patients with malignant thyroid disease
From: Incidence and risk factor for short term postoperative cough after thyroidectomy
Variables | Univariate | ||
|---|---|---|---|
Cough (n = 296) | No cough (n = 598) | ||
Age (year) | 50.09 ± 8.12 | 48.16 ± 7.96 | 0.261 |
Sex | |||
Female | 213(23.8%) | 455(50.9%) | |
Male | 83(9.3%) | 143(16.0%) | 0.181 |
Smoker | |||
Yes | 11(1.2%) | 9(1.0%) | |
No | 285(31.9%) | 589(65.9%) | 0.017 |
Drinker | |||
Yes | 10(1.1%) | 9(1.0%) | |
No | 286(32.0%) | 589(65.9%) | 0.068 |
Operation time (hour) | 1.82 ± 0.84 | 1.65 ± 0.78 | 0.001 |
BMI | |||
Normal | 116(13.0%) | 266(29.8%) | |
24 ~ 28 | 140(15.6%) | 280(31.3%) | |
> 28 | 40(4.5%) | 52(5.8%) | 0.051 |
Operation extent | |||
Unilateral | 83(9.3%) | 306(34.2%) | |
Bilateral | 213(23.8%) | 292(32.7%) | < 0.001 |
Number of positive nodes in level 6 | |||
≥ 3 | 117(13.1%) | 189(21.1%) | |
< 3 | 179(20.0%) | 409(45.8%) | 0.019 |
Lateral neck dissection | |||
Yes | 98(11.0%) | 250(28.0%) | |
No | 198(22.1%) | 348(38.9%) | 0.012 |
Cancer type | |||
PTCa | 286(32.0%) | 571(63.9%) | |
others | 10(1.1%) | 27(3.0%) | 0.422 |