Which is true regarding rheumatoid arthritis -
Small joints of hand & feet and large joints like elbow, knee and ankle are involved.
Women are affected 3 times more commonly than men. Older women (> 60 years) are 6 times more commonly involved than younger one.
A positive RA factor in the absence of other features is not sufficient evidence for RA.
Life expectancy is shortened 3-7 years.
Hepatosplenomegaly is not seen except in Felty's syndrome, where RA is associated with splenomegaly.
Small and large joints are affected mostly
Younger females are affected more commonly
Diagnosed only if Rheumatoid factor is positive
Life expectancy is unchanged