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Table 4 Estimated survival for each symptoms-to-diagnosis interval quartile for colorectal cancer incident cases

From: Effect of diagnostic delay on survival in patients with colorectal cancer: a retrospective cohort study

 

Survival probability

6 months

1 year

2 years

3 years

4 years

5 years

Total

 1st quartile (<1.5 months)

85.6 %

81.2 %

73.7 %

61.3 %

50.4 %

45.6 %

 2nd quartile (1.5–3.4 months)

90.6 %

84.1 %

71.7 %

62.9 %

52.3 %

44.2 %

 3rd quartile (3.4–6.4 months)

92.6 %

88.4 %

77.5 %

65.7 %

59.0 %

55.0 %

 4rd quartile (>6.4 months)

92.1 %

87.7 %

78.6 %

68.6 %

63.9 %

54.5 %

Log-rank = 9.263; P = 0.026

Colon

 1st quartile (<1.3 months)

86.7 %

82.7 %

75.1 %

67.2 %

54.3 %

47.8 %

 2nd quartile (1.3–3.2 months)

88.6 %

82.7 %

70.7 %

64.3 %

54.9 %

47.6 %

 3rd quartile (3.2–6.2 months)

92.7 %

87.7 %

76.2 %

63.4 %

55.7 %

53.1 %

 4rd quartile (>6.2 months)

90.5 %

85.8 %

79.0 %

70.8 %

68.0 %

59.0 %

Log-rank = 5.120; P =0.163

Rectum

 1st quartile (<2.2 months)

87.0 %

78.2 %

61.3 %

40.7 %

34.2 %

30.9 %

 2nd quartile (2.2–3.7 months)

95.9 %

91.6 %

79.5 %

67.1 %

56.1 %

46.5 %

 3rd quartile (3.7–7.3 months)

95.8 %

88.6 %

82.7 %

66.2 %

63.2 %

55.5 %

 4rd quartile (>7.3 months)

94.5 %

94.5 %

80.2 %

74.3 %

66.9 %

55.0 %

Log-rank = 16.963; P =0.001