Table 4.

Percentage point difference between lowest (Q1) to highest (Q5) quintiles of referral metrics for all cancers and the most common types of cancer

(a) 5-year mortality between Q1 to Q5	Percentage point difference

	RR	DR	CR

All cancers combined	–4%	−5%	1%^a
Colorectal	−5%	−4%	−6%
Lung	−5%	−2%^a	0%^a
Breast	−4%	3%^a	−2%^a
Prostate	−12%	−4%	−10%

(b) Odds of late- versus early-stage cancers at diagnosis between Q1 to Q5

	RR	DR	CR

All cancers combined	−3%	−4%	−2%
Colorectal	−1%^a	3%^a	−3%^a
Lung	−8%	2%^a	0%^a
Breast	−5%	14%	0%^a
Prostate	−9%	8%	−9%

(c) 5-year mortality between Q1 to Q5 taking stage into account

	RR	DR	CR

All cancers combined	−2%	−3%	5%
Colorectal	−6%	−4%	−2%^a
Lung	−3%	−2%^a	3%
Breast	0%^a	3%^a	3%^a
Prostate	−8%	−4%	−4%

↵a No statistically significant trend over quintiles. CR = conversion ratio. DR = detection ratio. RR = referral ratio.