Table 1 Patient characteristics

 Median (range)

55 (30–78)

55 (30–78)

57 (35–74)

 Mean (SD)

56 (10)

55 (11)

57 (10)

0.388^a

 Male

45 (71.4)

16

29

0.092^b

 Female

18 (28.6)

11

7

 T1

0

0

0

0.759^b

 T2

3 (4.8)

2

1

 T3

33 (52.4)

14

19

 T4

27 (42.8)

11

16

 Negative

4 (6.3)

2

2

1.000^b

 Positive

59 (93.7)

25

34

 Median (range)

92 (20–318)

55 (20–135)

83 (26–318)

 Mean (SD)

91 (72)

59 (25)

116 (86)

0.0004^a

 Median (range)

6 (2–12)

5 (3–10)

6(2–12)

 Mean (SD)

6 (2)

6 (2)

6 (2)

0.738^a

 1

6 (9.5)

4

2

0.184^b

 2–3

25 (39.7)

13

12

 4–6

25 (39.7)

9

16

  ≥ 7

7 (11.1)

1

6