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Table 1 Patient and tumor characteristics

From: Factors predicting recurrence after curative resection for rectal cancer: a 16-year study

Characteristic

Number of patients [n (%)]

Number of patients in this study

188

Age (years) (mean)

60.5

Sex ratio (M:F)

1.35:1

Location of tumor

 Upper rectum

45 (24)

 Middle rectum

65 (35)

 Lower rectum

78 (41)

cT stage

 T1/T2

24 (13)

 T3

155 (82)

 T4

9 (5)

cN stage

 N0

82 (44)

 N+

106 (56)

cTNM stage

 I

49 (27)

 II

38 (20)

 III

98 (51)

 IV

3 (2)

Parietal invasion

 pT1–T2

64 (34)

 pT3–T4

124 (66)

pT stage

 T1

14

 T2

50

 T3

107

 T4

17

pN stage

 N0

127

 N1

34

 N2

17

 N3

10

pTNM stage

 I

56 (30)

 II

68 (37)

 III

61 (32)

 IV

3 (1)

Tumor perforation

7 (4)

Invasion of surrounding organs

16 (8)

Degree of differentiation

 Well

41 (22)

 Moderate

133 (71)

 Poor

13 (7)

 Neoadjuvant therapy

120 (64)

Type of surgery

 APR

35 (19)

 Low anterior resection

144 (76)

 Local excision

9 (5)

Laparoscopic surgery

25 (13)

Postoperative complications

39 (21)

Adjuvant therapy

65 (34)

Number of patients with recurrence

53 (28)

Median follow-up period

57 months

Median recurrence-free survival

54 months

Median survival after recurrence

25 months

Median overall survival

75 months

2-year overall survival

73%

5-year overall survival

54%