Table 4 Quantile regression estimates of the median and 75^th percentile of the diagnostic interval for non-urgent colorectal cancer patients (n = 7198). The estimate associated with each category is the difference in days when compared to the reference category

Intercept

7.28

0.89

15

0.08

 < 50

2.33

0.5

−0.96

0.92

 50–59

4.85

0.09

3.39

0.58

 60–69

0

.

0

.

 70–79

5

0.0425

8.59

0.17

 ≥ 80

14.27

0.0001

34.28

0.0003

 Calgary

0

.

0

.

 Central

3.18

0.33

9.23

0.25

 Edmonton

−0.62

0.81

1.13

0.85

 North

0.98

0.79

8.67

0.44

 South

−7.15

0.0189

−15.33

0.0455

 Colon

6.47

0.0014

9.56

0.0536

 Rectum

0

.

 I

25.67

<.0001

42.13

<.0001

 II

8.47

0.0013

14.03

0.031

 III

11

<.0001

23.98

0.0001

 IV

0

.

0

.

 0

0

.

0

.

 1

5.13

0.0371

19.21

0.0025

 ≥ 2

31.86

<.0001

82.24

<.0001

 No

6.4

0.0014

29.18

<.0001

 Yes

0

.

0

.

 < 3 primary care visits

4.52

0.35

13.54

0.39

 Low < =50%

5.47

0.07

18.34

0.0046

 Medium 5080%

4.87

0.06

11.64

0.0269

 High >80%

0

.

0

.

 0–1

0

.

0

.

 2

44.13

<.0001

91.45

<.0001

 ≥ 3

140.8

<.0001

201.59

<.0001

 0

0

.

0

.

 1

33.46

<.0001

50.68

<.0001

 ≥ 2

108.54

<.0001

153.56

<.0001

 0

0

.

0

.

 ≥ 1

81.55

<.0001

101.56

<.0001

 0

17.44

<.0001

52.66

<.0001

 1

0

.

0

.

 ≥ 2

36.05

<.0001

50.43

<.0001