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Meta-Analysis
. 1998 Mar 14;316(7134):811-8.
doi: 10.1136/bmj.316.7134.811.

Meta-analysis of short-term low dose prednisolone versus placebo and non-steroidal anti-inflammatory drugs in rheumatoid arthritis

P C Gøtzsche  1 , H K Johansen
Affiliations
Meta-Analysis

Meta-analysis of short-term low dose prednisolone versus placebo and non-steroidal anti-inflammatory drugs in rheumatoid arthritis

P C Gøtzsche et al. BMJ. .

Abstract

Objective: To determine whether short-term, oral low dose prednisolone (< or = 15 mg daily) is superior to placebo and non-steroidal anti-inflammatory drugs in patients with rheumatoid arthritis.

Design: Meta-analysis of randomised trials of oral corticosteroids compared with placebo or a non-steroidal anti-inflammatory drug.

Setting: Trials conducted anywhere in the world.

Subjects: Patients with rheumatoid arthritis.

Main outcome measures: Joint tenderness, pain, and grip strength. Outcomes measured on different scales were combined by using the standardised effect size (difference in effect divided by SD of the measurements).

Results: Ten studies were included in the meta-analysis. Prednisolone had a marked effect over placebo on joint tenderness (standardised effect size 1.31; 95% confidence interval 0.78 to 1.83), pain (1.75; 0.87 to 2.64), and grip strength (0.41; 0.13 to 0.69). Measured in the original units the differences were 12 (6 to 18) tender joints and 22 mm Hg (5 mm Hg to 40 mm Hg) for grip strength. Prednisolone also had a greater effect than non-steroidal anti-inflammatory drugs on joint tenderness (0.63; 0.11 to 1.16) and pain (1.25; 0.26 to 2.24), whereas the difference in grip strength was not significant (0.31; -0.02 to 0.64). Measured in the original units the differences were 9 (5 to 12) tender joints and 12 mm Hg (-6 mm Hg to 31 mm Hg). The risk of adverse effects during moderate and long term use seemed acceptable.

Conclusion: Prednisolone in low doses (< or = 15 mg daily) may be used intermittently in patients with rheumatoid arthritis, particularly if the disease cannot be controlled by other means.

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Figures

Figure 1
Figure 1
Results of meta-analysis of low dose prednisolone versus placebo for control of rheumatoid arthritis, according to joint tenderness, pain, and grip strength. *If prednisolone is better than control standardised mean difference is negative for joint tenderness and pain but positive for grip strength. Random effects model was used for joint tenderness and pain, and fixed effects model for grip strength
Figure 2
Figure 2
Results of meta-analysis of low dose prednisolone versus non-steroidal anti-inflammatory drugs (NSAIDs) for control of rheumatoid arthritis, according to joint tenderness, pain, and grip strength. *If prednisolone is better than control standardised mean difference is negative for joint tenderness and pain but positive for grip strength. Random effects model was used for joint tenderness and pain, and fixed effects model for grip strength
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References

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