Table 1 Clinicopathological characteristics and univariate analysis of 211 patients

Gender(M/F)

32/179

8/46

24/133

0.934

Age ± SD (years)

49 ± 11

49 ± 10

48 ± 11

0.679^a

≥45/<45

143/68

38/16

105/52

0.636

≥50/<50

97/114

23/31

74/83

0.564

Primary tumor size ± SD (mm)

5.8 ± 2.7

6.8 ± 2.6

5.5 ± 2.7

0.001^a,b

≥5/<5

144/67

44/10

100/57

0.015 ^b

≥7/<7

81/130

28/26

53/104

0.018 ^b

Multifocality (%)

25 (11.8)

21 (38.9)

4 (2.6)

<0.001^b

ETE (%)

10 (4.7)

5 (9.3)

5 (3.2)

0.128^c

T stage (T1/2:T3/4)

201/10

49/5

152/5

0.128^c

With HT (%)

59 (28.0)

20 (37.0)

39 (24.8)

0.085

Preoperative tumor size (mm)

6.1 ± 2.9

7.1 ± 2.7

5.8 ± 2.8

0.005^a,b

≥5/<5

152/59

46/8

106/51

0.013 ^b

≥7/<7

85/126

29/25

56/101

0.020 ^b

Preoperative multifocality (%)

19 (8.6)

16 (29.6)

3 (1.9)

<0.001^b,c