Table 3.
Effects reported in monitoring with clinical support randomized controlled trials of acceptable quality of electronic symptom reporting, in alphabetic order of first authora.
| Article | Primary outcome |
Intervention hypothesis relative to control |
Number at randomizationb |
Within-group pre–post changeb |
Between-group pre–post changeb,c |
Hypothesis confirmed? | |||||
| C | I1 | I2 | C | I1 | I2 | C-I1 | C-I2 | ||||
| Carrasco et al [52] | Number of patients exhibiting poor hypertension control | Superior | 143 | 142 | NAd | 64.3% | 68.3% | NA | –4.0% P = .47 |
NA | No |
| Guendelman et al [44] | Patients experiencing limitations in activity due to asthma last 14 days | Superior | 68 | 66 | NA | 25% | 35% | NA | –9% P = .03 |
NA | Yes |
| Lewis et al [49] | Number of hospitalizations | Superior | 20 | 20 | NA | –7 | –4 | NA | –3 P = .16 |
NA | No |
| Rasmussen et al [47] | FEV1 e | Superior | 100 | 100 | 100 | 0.004 | 0.187 | 0.035 | –0.183 P < .001 |
–0.031 Nonsignificant |
I1: Yes |
| Schwarz et al [54] | Mean number of hospital readmissions in group | Superior | 51 | 51 | NA | –0.33 | –0.32 | NA | –0.01 P = .9 |
NA | No |
| Willems et al [48] | Asthma-specific quality of life | Superior | 54 | 55 | NA | –0.06 | –0.29 | NA | 0.23 P = .386 |
NA | No |
a Articles were identified in a comprehensive search in Medline, EMBASE, PsycINFO, Cochrane Central Register of Controlled Trials, and IEEE Xplore from 1990 to November 2011, and were published in the time period 2002–2011.
b C = control group, I1 = intervention group 1, I2 = intervention group 2.
c P values for difference between groups.
d Not applicable.
e Forced expiratory volume of air in the first second of expiration.