Your stats are kind of sub-par given your level (no offense). The 29% score means that 70% of protection paladins have better stats than you do. Meeo* has a score of 71%. So he's got better stats, most likely from better gear. Maybe its better enchants?

Your health is definitely low. The average protection paladin has 23.2k HP, you have 20.3.

Hope that made more sense.

* http://www.wowpowerscore.com/?m=Report&U=Meeo&R=Skywall