Fig. 4

OPLS-DA scores plots from the GML rats and the GML rats with moxibustion acupoints (MA) treatment in stomach tissues at 1 day (a1, R2X = 0.729, R2Y = 0.999, Q2 (cum) = 0.959), 4 days (a2, R2X = 0.937, R2Y = 0.999, Q2 (cum) = 0.971) and 7 days (a3, R2X = 0.674, R2Y = 0.997, Q2 (cum) = 0.842); in cerebral cortex tissues at 1 day (b1, R2X = 0.759, R2Y = 0.999, Q2 (cum) = 0.996), 4 days (b2, R2X = 0.817, R2Y = 0.999, Q2 (cum) = 0.993) and 7 days (b3, R2X = 0.923, R2Y = 1, Q2 (cum) = 0.937); in medulla tissues at 1 day (c1, R2X = 0.739, R2Y = 0.974, Q2 (cum) = 0.791), 4 days (c2, R2X = 0.78, R2Y = 0.998, Q2 (cum) = 0.956) and 7 days (c3, R2X = 0.673, R2Y = 0.987, Q2 (cum) = 0.746)