Referral selection bias in the Medicare hospital mortality prediction model: are centers of referral for Medicare beneficiaries necessarily centers of excellence?
The HCFA Medicare hospital mortality model should be used with extreme caution to evaluate hospital quality of care for national referral centers because of residual confounding due to severity of illness factors associated with geographic referral that are inadequately captured in the extant prediction model.
The association between IL-17 expression and the clinicopathological parameters, as well as the clinical outcome suggests a significant role of IL-17 in CRC. IL-17 is a marker of favorable prognosis.