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Table 2 Hazard ratios for effect of tamoxifen in three time ranges after exposure

From: Risk of Parkinson's disease after tamoxifen treatment

Time from exposure

N Cases Observed

(N Cases exposed)

Hazard Ratio

Lower 95% CI

Upper 95% CI

p-value

0-4 years

11 (5)

0.89

0.26

3.0

0.84

4-6 years

8 (6)

5.1

1.02

25

0.047

6+ years

16 (4)

0.79

0.25

2. 5

0.68