Table 5.

Adjusted associations between patient–doctor continuity for different continuity-defining periods and time to referral and time to diagnosis of breast, colorectal, and lung cancer

OutcomeContinuity-defining periodaTime ratios (95% CI)
Breast cancerColorectal cancerLung cancer
Time to diagnosisBefore and after (primary analysis)1.00 (0.99 to 1.01)
P= 0.90
1.01 (1.01 to 1.02)
P<0.01
1.00 (0.99 to 1.00)
P= 0.33
Before1.00 (0.99 to 1.01)
P= 0.75
1.02 (1.01 to 1.02)
P<0.01
1.01 (1.00 to 1.01)
P<0.01
After0.99 (0.99 to 1.00)
P= 0.26
0.98 (0.98 to 0.99)
P<0.01
0.98 (0.97 to 0.98)
P<0.01
Time to referralBefore0.90 (0.85 to 0.95)
P<0.01
0.99 (0.98 to 1.01)
P = 0.44
1.01 (0.99 to 1.03)
P= 0.34
  • ↵a In relation to index consultation, up to 24 months pre-diagnosis.