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Table 3 Effect of MSP participation status (participants versus non-participants (reference) with incident breast cancer) on breast cancer death based on n = 68,230 women aged 50–69 years, stratified by tumour stage

From: Isolating the effect of confounding from the observed survival benefit of screening participants — a methodological approach illustrated by data from the German mammography screening programme

 

Death from breast cancer

HRparticipants (95% CI)

Models without adjustment

 T1 (n = 35,609)

0.53 (0.48–0.59)

 T2 (n = 17,432)

0.65 (0.59–0.71)

 T3 (n = 2366)

0.58 (0.49–0.69)

 T4 (n = 1925)

0.61 (0.49–0.76)

 NA (n = 10,898)

0.38 (0.34–0.43)

Models adjusted for age at diagnosis and year of diagnosis

 T1 (n = 35,609)

0.54 (0.48–0.60)

 T2 (n = 17,432)

0.65 (0.59–0.71)

 T3 (n = 2366)

0.58 (0.49–0.70)

 T4 (n = 1925)

0.59 (0.48–0.74)

 NA (n = 10,898)

0.38 (0.34–0.43)

  1. MSP Mammography screening programme, HR Hazard ratio, CI Confidence interval