Table 2.
Characteristics of studies that evaluated timing of driving improvement following CPAP
| Year | No. of Individuals in study (n = ) | Study design | Age Distribution | AHI (SD) | Mean BMI (SD) | Mean ESS (SD) | % Male | Factors controlled for (if compared to controls) | Relevant outcomes reported | |
|---|---|---|---|---|---|---|---|---|---|---|
| Loredo et al.36 | 2006 | CPAP: 22 | Randomized, double-blind, placebo-controlled, parallel trial | CPAP: 48.2 ± 10.9 | 65.9 ± 28.6 | 31.8 ± 5.5 | 11.6 ± 4.9 | 82 | Daily average treatment duration | Sleepiness |
| Placebo:19 | Placebo: 48.3 ± 11.2 | 57.5 ± 32.1 | 31.8 ± 6.8 | 12.3 ± 6.7 | 84 | |||||
| Oxygen:22 | Oxygen: 43.4 ± 8.6 | 64.9 ± 33.7 | 32.0 ± 6.4 | 12.8 ± 4.5 | 73 | |||||
| Orth et al.37 | 2005 | 31 | Prospective case series | 55.3 ± 10.2 | NR | NR | NR | 100 | NA | Simulated driving, sleepiness |
| Turkington et al.38 | 2004 | CPAP:18 | Controlled trial | CPAP: 49.9 ± 10 | NR | 39 ± 7.7 | Median: 15.5 | 94 | Age, gender, RDI, BMI, ESS | Simulated driving, sleepiness |
| Control:18 | Control: 51.7 ± 12.2 | 36.6 ± 5.3 | Median: 16 | 94 | ||||||
| Wiest et al.39 | 2002 | 44 | Randomized, cross-over trial | 54.1 ± 9.7 | 53.6 ± 20.4 | 32.9 ± 5.3 | 14.9 ± 4.8 | 80 | NA | Sleepiness |
| Ficker et al.40 | 2000 | 18 | Randomized, cross-over trial | 50.6 ± 10.5 | 48.0 ± 28.1 | NR | 13.3 ± 3.0 | 100 | NA | Sleepiness |
| Saletu et al.41 | 1999 | 13 | Randomized, cross-over trial | 58.1 ± 8.7 | 29.1 ± 13.0 | NR | NR | 100 | NA | Sleepiness |