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Table 1 Patient characteristics

From: The assessment of risk factors for long-term survival outcome in ypN0 patients with rectal cancer after neoadjuvant therapy and radical anterior resection

  

n

Sex

Females

82 (42.1%)

Age

Mean (SD)

64 (10.03)

BMI (kg/m2)

Mean (SD)

26.21 (4.03)

CCI

2

142 (72.8%)

 

3

42 (21.6%)

 

> 3

11 (5.6%)

Clinical stage prior to treatment

II

58 (29.7%)

 

III

137 (70.3%)

Neoadjuvant therapy

RT

127 (65.1%)

 

CRT

68 (34.9%)

Time RT-S > = 6 weeks

Yes

107 (54.9%)

Distance from the anal verge (cm)

1–5

57 (29.2%)

 

6–10

93 (47.7%)

 

11–15

45 (23.1%)

Loop ileostomy

Yes

41 (21%)

yG

1

16 (8.2%)

 

2

111 (57.2%)

 

x

67 (34.5%)

ypT

0

17 (8.7%)

 

1-2

98 (50.3%)

 

3

80 (41%)

LNY

Mean (SD)

12.16 (6.01)

LNY groups

1–7

45 (23.1%)

 

8–12

72 (36.9%)

 

> 12

78 (40%)

Width of the distal margin (cm)

Mean (SD)

2.13 (1.41)

TRG

0–1

91 (46.7%)

 

2–3

104 (53.3%)

Anastomotic leakage

No

158 (81%)

 

Early

22 (11.3%)

 

Late

15 (7.7%)

Adjuvant chemotherapy

Yes

16 (8.2%)

  1. SD standard deviation, BMI body mass index, CCI Charlson comorbidity index, G tumor grade, RT radiotherapy, CRT chemoradiotherapy, Time RT-S time from completion of radiotherapy to surgery, LNY lymph node yield, TRG tumor regression grade