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. 2015 Jan 1;6(1):40–47. doi: 10.7150/jca.10422

Table 1.

Patients' characteristics.

Parameters Malignant(n=171) Benign(n=80) t Statistic P value
Age 59±12.12 52.5± 13.40 3.905* 0.0001
Sex
Male 145 58 0.136 0.7123
Female 47 22

*: Variances are unequal between two groups. Using Satterthwaite t-test.