[Meaning] Number of text, ntext, image, or large value type (varchar(max), nvarchar(max), varbinary(max)) pages read from the data cache. [Output item] 
lob logical reads
T a b l e
S c a n c o u n t
l o g i c a l r e a d s
p h y s i c a l r e a d s
r e a d - a h e a d r e a d s
l o b l o g i c a l r e a d s
l o b p h y s i c a l r e a d s
l o b r e a d - a h e a d r e a d s