Collocations for misleading - adj.

be

extremely, fairly, very, etc.
grossly, highly, positively, profoundly (formal), seriously
completely, entirely (esp. BrE), totally, wholly (esp. BrE)
a little, slightly, etc.
potentially
deliberately
Her statement was deliberately misleading.

dangerously
Some of the information on the website was dangerously misleading.

about
The brochure was extremely misleading about the cost of the surgery.

Misleading is used with these nouns:
advertisement, impression, information, picture, report, result, statement