Annals of internal medicine
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Meta Analysis
Long-term effects of inhaled corticosteroids on FEV1 in patients with chronic obstructive pulmonary disease. A meta-analysis.
There is no consensus on the effectiveness of inhaled corticosteroids for the treatment of chronic obstructive pulmonary disease (COPD). ⋯ The use of inhaled corticosteroids was not associated with the rate of FEV1 decline in 3571 patients followed for 24 to 54 months.
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Review Meta Analysis Comparative Study
Spinal manipulative therapy for low back pain. A meta-analysis of effectiveness relative to other therapies.
Low back pain is a costly illness for which spinal manipulative therapy is commonly recommended. Previous systematic reviews and practice guidelines have reached discordant results on the effectiveness of this therapy for low back pain. ⋯ There is no evidence that spinal manipulative therapy is superior to other standard treatments for patients with acute or chronic low back pain.