Mean ( + / - SE ) baseline pH levels in the fundus increased during the administration of the trial drugs ( SST : 1.94 + / -0.18 to 6.13 + / -0.37 , p < 0.0001 ; PAN : 1.93 + / -0.16 to 5.65 + / -0.37 , p < 0.0001 ; PLA : 1.86 + / -0.12 to 2.10 + / -0.15 , p = 0.0917 ) .
