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. 2011 Dec 4;2011:503293. doi: 10.4061/2011/503293

Table 3.

Pooled estimate of effect size with 95% CI, test of significance and magnitude of heterogeneity of CSF tau studies in Alzheimer's disease and Dementia due to other causes.

Statistics Alzheimer's disease Dementia due to other causes
Pooled estimate of CSF tau (pg/mL) 414.073 83.500
95% CI of pooled estimate (pg/mL) 237.170–590.975 36.406–130.595
Between-studies variance (T 2) 85013.958 4343.165
Degree of heterogeneity (I 2) 97.9% 82.4%
95% CI of I 2 97.2%–98.4% 69.7%–89.7%
Q statistics 467.756 56.738
DF 10 10
P value 0.000 0.000