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Table 1 Baseline Characteristics. The total cohort of 188 patients with UICC stage II-IV colon cancer

From: An exploration of immunohistochemistry-based prognostic markers in patients undergoing curative resections for colon cancer

 

n (%)

Missing, %

N

188

 

Age, years (median, IQR)

71.50 [65.00, 79.00]

0.0

Sex

 Female

99 (52.7)

0.0

 Male

89 (47.3)

 

ASA Score

 I

17 (11.6)

22.3

 II

105 (71.9)

 

 III

24 (16.4)

 

 IV

0 (0.0)

 

Tobacco

 Current smoker

33 (17.6)

0.5

 Former or never smoker

154 (82.4)

 

Tumour localization

 Right-sided

103 (54.8)

0.0

 Left-sided

85 (45.2)

 

Preoperative liver metastases

 No

174 (92.6)

0.0

 Yes

14 (7.4)

 

Preoperative lung metastases

 No

182 (96.8)

0.0

 Yes

6 (3.2)

 

Urgency

 Elective

157 (83.5)

0.0

 Acute

31 (16.5)

 

Procedure type

 Right hemicolectomy including transverse resection

104 (55.3)

0.0

 Left hemicolectomy

76 (40.4)

 

 Colectomy

8 (4.3)

 

Perioperative blood transfusion

 No

162 (86.6)

0.5

 Yes

25 (13.4)

 

Postoperative complications (Clavien-Dindo)

 0 (no complications)

126 (67.4)

0.5

 1–2

13 (7.0)

 

 3–4

40 (21.4)

 

 5 (death)

8 (4.3)

 

UICC stage

 II

90 (47.9)

0.0

 III

82 (43.6)

 

 IV

16 (8.5)

 

Histological type

 Adenocarcinoma NOS, high or moderate differentiated

124 (66.0)

0.0

 Adenocarcinoma, poorly differentiated

32 (17.0)

 

 Mucinous adenocarcinoma

29 (15.4)

 

 Signet ring cell carcinoma

2 (1.1)

 

 Other carcinoma type

1 (0.5)

 

Microsatellite status

 MSS

144 (76.6)

0.0

 MSI

44 (23.4)

 

Resection margin

 R0 (no residual tumor cells)

170 (94.4)

4.3

 R1 (micro- or macroscopic residual tumor)

10 (5.6)

 

Adjuvant chemotherapy

 No

107 (56.9)

0.0

 Yes

81 (43.1)

 

Follow-up time, months (median, IQR)

41.72 [10.56, 59.82]

0.0

  1. Absolute numbers with percentages in parentheses unless stated otherwise
  2. IQR inter-quartile range, ASA American Society of Anesthesiologists Physical Status Score, UICC Union for International Cancer Control Score, NOS not otherwise specified, MSS microsatellite stability, MSI microsatellite instability