By definition, the etiology of primary osteoarthritis is unknown, but the pathology and pathogenesis of osteoarthritis have been extensively studied. [5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15] Historically, osteoarthritis has been divided into primary and secondary forms, although this division is somewhat artificial.
What's your relationship to the couple? - While the average gift ranges from $50 to $100 for those under 30, expect to spend $100 or more if you're close friends with the couple and are more established financially. For your nearest and dearest friends and relatives, gift costs can range from over a $100 to $200 or more.
According to the American Express survey, the average wedding gift is $144 for a family member and $97 for a close friend. More affluent wedding guests give an average wedding gift worth $251 for any wedding they attend, while co-workers come in at the low end of the scale at an average of $66.Not surprisingly, the more removed a wedding guest is from the bride and groom, the smaller their wedding gift tends to be.ore affluent wedding guests give an average wedding gift worth $251 for any wedding they attend, while co-workers come in at the low end of the scale at an average of $66.