Table 2 Baseline characteristics of 672 patients screened for cardiopulmonary comorbidity before planned colorectal cancer surgery

All 326 patients

Cardiovascular criteria (n = 179)

Pulmonary criteria (n = 225)

Standard group (n = 99)

Intervention group (n = 97)

Age (years)

(median, range)

69

18–91

71.5

44–92

74

44–92

71

47–91

70

47–92

70

52–86

Male, n (%)

181 (52%)

192 (59%)

112 (63%)

137 (61 %)

64 (65 %)

61 (63%)

BMI (kg/m²) (median, range)

(non-missing)

Not available

26.3 (15.9–45)

(323)

26.7 (17.9–42.6)

(177)

25.9 (15.9–45)

(224)

27.1 (18.5–45)

(99)

26.8 (17.9–39.4)

(97)

 Colon

223 (64%)

234 (72%)

126 (70%)

164 (73 %)

68 (69 %)

72 (74%)

 Rectum

123 (36%)

92 (28%)

53 (30%)

61 (27 %)

31 (31 %)

25 (26%)

 Colorectal cancer

 -Stage I

65 (19%)

81 (25%)

42 (23%)

59 (26%)

19 (19%)

28 (29%)

 -Stage II

96 (28%)

96 (29%)

57 (32%)

73 (32%)

37 (37%)

29 (30%)

 -Stage III

112 (32%)

87 (27%)

48 (27%)

54 (24%)

27 (27%)

22 (23%)

 -Stage IV

29 (8%)

28 (9%)

16 (9%)

16 (7%)

7 (7%)

9 (9%)

 -CPR¹

1 (0%)

0

0

0

0

0

 Benign

39 (11%)

30 (9%)

12 (7%)

23 (10%)

9 (9%)

8 (8%)

 Other malignancy

1 (0%)

2 (1%)

2 (1%)

0

0

1 (1%)

 Unknown

3 (1%)

2 (1%)

2 (1%)

0

0

0

 Laparoscopic/robot

66 (67%)

66 (68%)

 Open/converted

33 (33%)

31 (32%)

 1

25 (8%)

6 (6%)

7 (7%)

 2

155 (48%)

54 (55%)

47 (48%)

 3

137 (42%)

37 (37%)

43 (44%)

 4

6 (2%)

2 (2%)

0

 Missing

3 (1%)

0

0

Data from NBCD²

(n = 293, 85%)

(n = 275, 84%)

(n = 84, 85%)

(n = 86, 89%)

 CCI 0

216 (74%)

114 (41%)

38 (45%)

31 (36%)

 CCI 1

31 (11%)

82 (30%)

27 (32%)

29 (34%)

 CCI 2

23 (8%)

37 (13%)

7 (8%)

14 (16%)

 CCI 3+

23 (8%)

42 (15%)

12 (14%)

12 (14%)

 PS 0

243 (83%)

177 (64%)

61 (73%)

55 (64%)

 PS 1

38 (13%)

58 (21%)

15 (18%)

22 (26%)

 PS 2

7 (2%)

30 (11%)

7 (8%)

7 (8%)

 PS 3

1 (0%)

6 (2%)

1 (1%)

1 (1%)

 PS 4

1 (0%)

1 (0%)

0

0

 Unknown

3 (1%)

3 (1%)

0

1 (1%)