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Table 3.

Relative risk of cardiac death after radiation for left versus right breast cancer: laterality

Laterality after diagnosis, RR (95% CI)
Diagnosis <10 y 10-14 y ≥15 y 
    1973-1982 1.2 (1.04-1.38) 1.52 (1.11-1.82) 1.58 (1.29 - 1.95) 
    1983-1992 1.04 (0.91-1.18) 1.27 (0.99-1.63) NA 
    1993-2001 0.96 (0.82-1.12) NA NA 
Laterality after diagnosis, RR (95% CI)
Diagnosis <10 y 10-14 y ≥15 y 
    1973-1982 1.2 (1.04-1.38) 1.52 (1.11-1.82) 1.58 (1.29 - 1.95) 
    1983-1992 1.04 (0.91-1.18) 1.27 (0.99-1.63) NA 
    1993-2001 0.96 (0.82-1.12) NA NA 

NOTE: Data were from ref. 92.

Abbreviations: RR, relative risk; CI, confidence interval; NA, not available.

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