TABLE 3.
MEAN RATES* OF ACUTE AND NONACUTE ASTHMA-RELATED HEALTH CARE UTILIZATION IN THE BASELINE AND 2 FOLLOW-UP YEARS
| Time Period | Symptom Monitoring (n = 147) | Peak Flow Monitoring (n = 149) | p Value |
|---|---|---|---|
| ED/hospital care | |||
| Baseline† | 0.10 (0.52) | 0.13 (0.46) | 0.65 |
| Year 1‡ | 0.03 (0.22) | 0.10 (0.46) | 0.15 |
| Year 2‡ | 0.14 (0.58) | 0.10 (0.41) | 0.52 |
| Years 1 and 2, baseline | −0.02 | −0.04 | 0.68 |
| Other acute care | |||
| Baseline† | 0.05 (0.24) | 0.05 (0.24) | 0.98 |
| Year 1‡ | 0.06 (0.23) | 0.04 (0.23) | 0.59 |
| Year 2‡ | 0.01 (0.12) | 0.05 (0.22) | 0.09 |
| Years 1 and 2, baseline | −0.01 | −0.00 | 0.73 |
| Total acute care | |||
| Baseline† | 0.15 (0.60) | 0.17 (0.54) | 0.71 |
| Year 1‡ | 0.09 (0.33) | 0.14 (0.52) | 0.36 |
| Year 2‡ | 0.15 (0.64) | 0.15 (0.47) | 0.97 |
| Years 1 and 2, baseline | −0.03 | −0.04 | 0.85 |
| Total nonacute care | |||
| Baseline† | 1.31 (2.34) | 1.12 (2.20) | 0.47 |
| Year 1‡ | 1.47 (1.93) | 1.76 (2.24) | 0.23 |
| Year 2‡ | 1.35 (1.97) | 1.24 (1.82) | 0.61 |
| Years 1 and 2, baseline | 0.18 | 0.38 | 0.42 |
| Total asthma care | |||
| Baseline† | 1.46 (2.53) | 1.30 (2.39) | 0.56 |
| Year 1‡ | 1.56 (2.00) | 1.90 (2.44) | 0.19 |
| Year 2‡ | 1.50 (2.23) | 1.39 (1.98) | 0.64 |
| Years 1 and 2, baseline | 0.16 | 0.34 | 0.48 |
Values shown are mean (SD).
Rates expressed as number of events per person-year of follow-up.
One year before the date of randomization.
Follow-up year from the date of randomization.