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Table 1 Baseline characteristics of patients

From: The decreased platelet-to-lymphocyte ratio could predict a good prognosis in patients with oligometastatic colorectal cancer: a single-center cohort retrospective study

Characteristics

Total patients, n (%)

Age (years) (median, range)

60 (29–90)

Gender

 Male

137 (65.6%)

 Female

72 (34.4%)

BMI (kg/m2) (median, range)

  ≤ 18.5

16 (7.6)

 18.5–23.9

87 (41.4)

 23.9–27

72 (34.3)

  > 28

34 (16.7)

Timing of metastasis

 Synchronous

117 (55.7)

 Metachronous

92 (44.3)

Liver-only metastases

133 (63.3)

Lung-only metastases

79 (37.6)

Liver-lung metastases

12 (5.7)

Extra-regional lymph nodes metastases

23 (11)

No. of involving sites

 1

90 (42.9)

  ≥ 2

119 (57.1)

Clinical T stage

 T2

17 (8.1)

 T3

68 (32.5)

 T4

103 (49.3)

 Unknown

21 (10.1)

Clinical N stage

 N0

63 (30.1)

 N1

69 (33.0)

 N2

52 (24.9)

 Unknown

25 (12.0)

Primary tumor location

 Left

179 (85.6)

 Right

28 (13.4)

 Unknown

2 (1)

WBC

 <4

25 (12.0)

 4–10

171 (81.8)

  > 10

13 (6.2)

LMR (median, range)

3.50 (0.44–69.30)

NLR (median, range)

2.36 (0.17–27.74)

PLR (median, range)

163.19 (0.00–475.86)

CA199(ng/ml)

 0–40

120 (57.4)

  > 40

63 (30.2)

 Unknown

26 (12.4)

CEA (ng/ml)

 0–5

74 (35.4)

  > 5

120 (57.4)

 Unknown

15 (7.2)

Fibrinogen(G/L)

  < 2

2 (1.0)

 2–4

140 (67.0)

  > 4

56 (26.7)

 Unknown

11 (5.3)

Treatment

 Primary tumor resection

185 (88.1)

 Lung resection

20 (9.5)

 Liver resection

43 (20.5)

 Interventional therapy

45 (21.5)

 Radiotherapy

37 (17.7)

 Chemotherapy

175 (83.7)

 Targeted therapy

71 (34)

  1. Abbreviations: BMI body mass index; WBC white blood cell; LMR lymphocyte-to-monocyte ratio; NLR neutrophil-to-lymphocyte ratio; PLR platelet to-lymphocyte ratio; CA-199 carbohydrate antigen 19–9; CEA carcinoembryonic antigen