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. Author manuscript; available in PMC: 2014 Jan 31.
Published in final edited form as: Can J Neurol Sci. 2010 Jan;37(1):61–66. doi: 10.1017/s0317167100009665

Table 2.

Time from symptomatic PD onset to depression

Meana Median
Estimate (years) Std. Error 95% Confidence Interval Estimate (years) Std. Error 95% Confidence Interval
Lower Bound (years) Upper Bound (years) Lower Bound (years) Upper Bound (years)
7.86 0.23 7.40 8.32 5.69 0.22 5.26 6.12

PD=Parkinson’s disease;

a

Estimation is limited to the largest survival time if it is censored.