Table 2. Simple regression of outcome variables on dietary phytosterol intake.

Variables	R2
Non-cholesterol sterols normalized by cholestanol
Plasma total phytosterols/5-α-cholestanol	0.767
Plasma campesterol/5-α-cholestanol	0.785
Plasma sitosterol/5-α-cholestanol	0.687
Plasma stigmasterol/5-α-cholestanol	0.551
Non-cholesterol sterols normalized by cholesterol
Plasma total phytosterols/cholesterol	0.462
Plasma campesterol/cholesterol	0.512
Plasma sitosterol/cholesterol	0.395
Plasma stigmasterol/cholesterol	0.367
Non-cholesterol sterols alone
Plasma total phytosterols	0.413
Plasma campesterol	0.444
Plasma sitosterol	0.317
Plasma stigmasterol	0.347

Results are R-squares of simple ordinary least square regression analysis (n = 94 observations), all P < 0.0001.