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| A vs C | B vs C | ||||
|---|---|---|---|---|---|
| Estimador (RR) directo: | |||||
| Varianza ln estimador directo: | |||||
| IC | 95% | z | p | ||
| Estimador (RR) ajustado indirecto A vs B: | 0.57 | 0.37 | 0.90 | -2.43 | 0.01496 |
- Bucher HC, Guyatt GH, Griffith LE, Walter SD. The results of direct and indirect treatment comparisons in meta-analysis of randomized controlled trials. J Clin Epidemiol 1997;50:683-91.
| A vs C | B vs C | ||||
|---|---|---|---|---|---|
| Estimador (RR) directo: | |||||
| Límite inferior IC 95% estimador directo: | |||||
| Límite superior IC 95% estimador directo: | |||||
| IC | 95% | z | p | ||
| Estimador (RR) ajustado indirecto A vs B: | 0.57 | 0.37 | 0.89 | -2.46 | 0.01381 |
- Altman DG, Bland JM. Interaction revisited: the difference between two stimates. BMJ 2003;326:219.
| Directo A vs B | Indirecto A vs B | ||||
|---|---|---|---|---|---|
| Estimador (RR) directo: | |||||
| Límite inferior IC 95% estimador: | |||||
| Límite superior IC 95% estimador: | |||||
| IC | 95% | z | p | ||
| Estimador (RR) combinado: | 0.76 | 0.65 | 0.89 | -3.43 | 0.00060 |
| IC | 95% | z | p | ||
| Discrepancia entre estimador directo e indirecto: | 1.39 | 0.86 | 2.23 | 1.35 | 0.17859 |
| (Razón de riesgos relativos) |
- Glenny AM, Altman DG, Song F, Sakarovitch C, Deeks JJ, D'Amico R, Bradburn M, Eastwood AJ; International Stroke Trial Collaborative Group. Indirect comparisons of competing interventions. Health Technol Assess 2005;9:1-134.
- Song F, Altman DG, Glenny AM, Deeks JJ. Validity of indirect comparison for estimating efficacy of competing interventions: empirical evidence from published meta-analyses. BMJ 2003;326:472-476.