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Table 1 Demographic characteristics and epidemiological profile of the sample

From: Liver resections for metastasis: surgical outcomes of a single center academic institution

Variable Total
(n = 86)
Colorectal
(n = 56)
Non-colorectal/non-neuroendocrine (n = 30) p
Death rate, number (%) 42 (48.8) 29 (51.8) 13 (43.3) 0.45
Recurrence rate, number (%) 48 (55.8) 34 (60.7) 14 (46.7) 0.21
Median follow-up, years (IQR) 2.4 (0.9–5.1) 2.6 (1.0–5.0) 2.0 (0.2–6.7) 0.71
Sex, male (%) 38 (44.2) 24 (42.9) 14 (46.7) 0.73
Age, median years (IQR) 56.1 (45.9–65.8) 58.4 (46.6–65.8) 52.0 (43.2–63.1) 0.24
ECOG-PS, number (%)     0.002
 0 17 (19.8) 11 (19.6) 6 (20.0)  
 1 58 (67.4) 43 (76.8) 15 (50.0)  
 2 11 (12.8) 2 (3.6) 9 (30.0)  
BMI (kg/m2), (IQR) 25.0 (23.5–27.6) 25.2 (23.5–27.7) 25.0 (23.0–26.7) 0.84
History of smoking, number (%) 33 (41.8) 21 (42.9) 12 (40.0) 0.80
Smoking, packs-year (IQR) 24.0 (13.7–38.5) 20.0 (7.0–39.5) 30.0 (21.5–36.5) 0.27
Hypertension and/or heart disease, number (%) 32 (37.2) 23 (41.1) 9 (30.0) 0.31
Family history of cancer, number (%) 13 (20.3) 9 (21.4) 4 (18.2) 0.75
Differentiation grade, number (%)     0.02
 Well differentiated 25 (29.1) 11 (19.6) 14 (46.7)  
 Moderately different 48 (55.8) 36 (64.3) 12 (40.0)  
 Poorly differentiated 13 (15.1) 9 (16.1) 4 (13.3)  
Free margins, number (%) 77 (89.5) 47 (83.9) 30 (100.0) 0.02
  1. IQR interquartile range, ECOG-PS Eastern Cooperative Oncology Group - Performance Status, BMI Body Mass Index