Question: Does the speed at which a food digests in the stomach directly relate to the it’s number on the G…

Does the speed at which a food digests in the stomach directly
relate to the it’s number on the GI load? I know all about the
glycemic index and the glycemic loads of foods and how the numbers
correlate with insulin secretion. However, do the numbers correlate
with actual time it takes for the foods to digest, for oatmeal take
has a GI load of 13, which supposidly digests slowly and most
fruits have GI load around 13 as well, which supposedly digest in
the stomach around 30 minutes.