Patients taking glucocorticoid or glucocorticoid-like drugs for an extended period of time may develop osteoporosis, termed glucocorticoid-induced osteoporosis (GIOP). GIOP is the most common form
Odds ratios for differential item functioning (i.e., direct) effects on the SF-36 physical functioning and mental health sub-scale items in the Canadian Multicentre Osteoporosis Study.
