Visit Number to Compare to Visit 1 Use this option to choose the visit number to compare with visit one (1). To Specify This Option: Make sure that the Include lab reports box is checked. Either type the desired value in the text field or move the slider to the right or to the left to change the value. Tip : To change the scale of the slider, right-click on the slider and select Rescale Slider from the pop-up menu. Change the upper or lower boundaries in the window that appears, to rescale the slider and click OK .