Where did you go to university? http://billy.net.au/side-effects-of-methotrexate-injection-for-ra-84d5.pdf side effects of methotrexate injection for ra  Even if length of hospital stay was a good indicator for how well a patient fared after surgery, some doctors pointed out that certain hospitals routinely received more complex cases than others, leading to longer hospital stays. This would skew their Consumer Reports ratings, they said, punishing them for taking the tough cases.