Table 2. Proportions (%) meeting relevant targets by various factors (July 1997–December 2000).

Factor	Referral wait	Treatment wait
Age (years) (n=5592)
<50	64.2	77.3
50–64	76.5	80.5
65+	70.0***	85.6***
Carstairs quintile (n=3458)
1	70.7	79.8
2	65.7	80.4
3	66.8	82.8
4	67.1	82.7
5	67.5(NS)	82.7(NS)
Trust throughput (n=5750)
−150	69.7	80.6
>150	72.1*	83.3**
Priority (n=543)
Urgent	77.2
Nonurgent	41.2***
Mode of presentation (n=5450)
Screening	85.7
Symptomatic	67.9
Incidental	77.7***
Type of treatment (n=5701)
Surgery		77.6
Chemotherapy		81.2
Radiotherapy		52.8
Tamoxifen		95.0***

Test for heterogeneity:

^***P<0.001;

^**0.001<P<0.01;

^*0.01<P<0.025;

(NS)=P>0.5.

^aTwo week target for referral wait; 5 week target for treatment wait.