Perhaps you should try some spelling variations:
significantly marked » significantly larger (Expand Search), significantly linked (Expand Search), significantly improved (Expand Search)
significantly lower » significantly higher (Expand Search)
marked decrease » marked increase (Expand Search)
lower decrease » larger decrease (Expand Search), linear decrease (Expand Search), teer decrease (Expand Search)

You may be able to get more results by adjusting your search query.

• Removing quotes may allow a broader search: (( significantly marked decrease ) OR ( significantly lower decrease ))*.