Perhaps you should try some spelling variations:
significantly marked » significantly larger (Expand Search), significantly linked (Expand Search), significantly improved (Expand Search)
significantly high » significantly higher (Expand Search), significantly less (Expand Search), significantly changed (Expand Search)
marked decrease » marked increase (Expand Search)
high decrease » slight decrease (Expand Search), high degree (Expand Search), high disease (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 high decrease ))~.