Table 2 Prognostic factors for overall survival (OS) in colorectal cancer.

From: Tumor-suppressive role of Smad ubiquitination regulatory factor 2 in patients with colorectal cancer

Prognostic factors

n

5-year OS rate (%)

Univariate

P value

Multivariate

HR (95% CI)

P value

Age at primary surgery, < 65/ ≥ 65

44/22

54.6/60.8

0.7742

  

Sex, Male/Female

44/22

53.8/68.2

0.7217

  

Site of primary tumor, Colon/Rectum

40/26

74.7/34.6

0.0022

0.30 (0.129–0.647)

0.0019

Site of primary tumor, Right/Left

19/47

78.6/51.1

0.0486

0.93 (0.339–2.541)

0.8864

CEA < 5/ ≥ 5

18/48

65.5/56.3

0.1631

  

CA19-9 < 37/ ≥ 37

43/23

64.5/47.8

0.2476

  

Degree of differentiation, tub, pap/por, muc

62/4

57.6/75.0

0.9649

  

ly, 0–1/2–3

55/11

56.4/71.6

0.9228

  

v, 0–1/2–3

31/35

71.0/47.5

0.1033

  

T stage (8th edition), 1–3/4

37/29

64.9/50.6

0.2924

  

Lymph node metastasis, − / + 

27/39

69.7/51.3

0.0112

0.43 (0.195–0.909)

0.0265

KRAS mutation, Wild/Mutant

11/18

55.6/45.5

0.6377

  

Adjuvant chemotherapy after primary surgery, − / + 

56/10

60.2/50.0

0.3630

  

Timing of liver metastasis,

Synchronous/metachronous

27/39

53.9/65.8

0.2591

  

Metastasis other than liver, − / + 

54/12

62.5/41.7

0.1181

  

Number of liver metastasis, Solitary/Multiple

23/43

69.1/53.5

0.1929

  

Size of largest tumor (cm), < 5/ ≥ 5

53/13

65.6/46.2

0.3057

  

Hepatectomy, Minor/Major

56/10

62.6/40.0

0.0687

  

Surgical margin, R0/R1,R2

35/31

67.9/48.4

0.0287

0.49 (0.241–0.972)

0.0410

H factor, H1/H2-H3

43/23

71.6/34.8

0.0171

0.70 (0.327–1.548)

0.3713

Expression of Smurf 2 in primary tumor,

High/Low

31/35

71.0/47.6

0.0265

0.47 (0.232–0.957)

0.0370

  1. CEA, carcinoembryonic antigen; CA19-9, carbohydrate antigen 19–9; KRAS, Kirsten rat sarcoma viral oncogene.