Table 4.
Relative risks of hospitalization and emergency department (ED)/unscheduled visits for intervention patients versus control patients
| Source | Study setting | Included GOLD-stages | Number of components | Relative risk of hospitalization (95% Confidence interval) | Relative risk of EDI unscheduled visits (95% Confidence interval) |
|---|---|---|---|---|---|
| Bourbeau et al (2003)32 | Secondary care | 2 and 3 | 3 | 0.64 (0.45–0.91) | 0.64 (0.48–0.86) |
| Casas et al (2006)38 | Tertiary care | 3 and 4 | 4 | 0.67 (0.49–0.91) | NA |
| Gourley et al (1998)24 | Secondary care | 3 and 4 | 2 | NA | 1.12 (0.44–5.43) |
| Hermiz et al (2002)27 | Community and primary care | 2 and 3 | 2 | 1.27 (0.66–2.43) | 0.28 (0.06–1.27) |
| Hernandez et al (2003)37 | Secondary and tertiary care | 2 and 3 | 2 | 0.74 (0.45–1.21) | 0.44 (0.22–0.86) |
| Jeffs et al (2005)28 | Secondary care | 1–4 | 2 | 1.50 (0.84–2.67) | NA |
| Poole et al (2001)30 | Secondary care | 3 | 2 | 1.08 (0.75–1.57) | NA |
| Rea et al (2004)31 | Primary care | 2 and 3 | 4 | 0.81 (0.59–0.83) | 0.46 (0.16–1.37) |
| Smith et al (1999)29 | Secondary care | 3 | 2 | 1.01 (0.82–1.26) | 2.28 (0.96–5.43) |