Improving the diagnosis of common parotid tumors via the combination of CT image biomarkers and clinical parameters

Table 1 Baseline patient characteristics in PA goup and WT group

Characteristics	Pleomorphic adenoma (N = 51)	Warthin tumor (N = 42)	P value
Age^a (year)	43.88 ± 17.188	59.93 ± 6.194	<0.01
Gender^b
Male	15 (28.4%)	41 (97.6%)	<0.01
Female	36 (70.6%)	1 (2.4%)
Smoking status^b
(+)	12 (23.5%)	37 (88.1%)	<0.01
(−)	39 (76.5%)	5 (11.9%)
Disease duration^a (month)	27.91 ± 36.868	12.54 ± 17.105	0.023

N Number. (+) smoked, while (−) never smoked. ^aData: Mean ± SD. ^bData: No. (percentage)
Abbreviations: PA Pleomorphic adenoma, WT Warthin tumor

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