Table 3.

Multivariate analysis of risk factors associated with positive and negative cystic fluid cytology groups

	OR	β	t	95% CI	p value
Age (> 55 years)	1.23	0.249	2.157	0.018–0.48	0.035*
Gender (male)	0.642	− 0.003	− 0.026	− 0.235–0.229	0.98
Tumor size (> 4 cm)	0.46	0.033	0.284	− 0.041–0.055	0.777
Bosniak grade	3.64	0.336	2.828	0.085–0.494	0.006*

OR, odds ratio; CI, confidence interval (R² = 0.218, β = standard coefficient, p = 0.003)

*p < 0.05