Does ambulatory oximetry fail to predict survival in chronic obstructive pulmonary disease with mild-to-moderate hypoxaemia?
Neither resting P(a) O(2) nor proportion of ambulatory oximetry below 90% saturation effectively predicted survival in COPD.
Treatment of localized disease has been shown in all the available randomized studies to cause a marked decrease in prostate cancer death. Simple use of the available screening procedures and treatments for localized prostate cancer could cause a dramatic decrease in prostate cancer death.