Table 1 Daily asthma HAs, ambient O3 concentrations, pollen counts, and meteorological variables in Dallas, Houston, and Austin, Texas, from 2003 to 2011
From: Ambient ozone and asthma hospital admissions in Texas: a time-series analysis
Variable name | N of days with data | Mean | SD | Minimum | 10th Percentile | 25th Percentile | Median | 75th Percentile | 90th Percentile | Maximum |
|---|---|---|---|---|---|---|---|---|---|---|
Daily asthma HAs, all ages (N) | 9861 | 7.6 | 5.1 | 0 | 2 | 3 | 7 | 11 | 15 | 32 |
Daily asthma HAs, 5–14 years (N) | 9861 | 1.7 | 2.0 | 0 | 0 | 0 | 1 | 3 | 4 | 17 |
Daily asthma HAs, 15–64 years (N) | 9861 | 4.2 | 3.0 | 0 | 1 | 2 | 4 | 6 | 8 | 19 |
Daily asthma HAs, 65+ years (N) | 9861 | 1.7 | 1.6 | 0 | 0 | 0 | 1 | 3 | 4 | 12 |
Daily 8-h maximum O3 (ppb) | 9839 | 41.8 | 14.5 | 2.0 | 24.9 | 31.3 | 39.7 | 51.3 | 62.3 | 107.0 |
Daily total pollen counts (N) | 9861 | 283.5 | 1007.6 | 0 | 0 | 3 | 26 | 163 | 664 | 30,961 |
Temperature (° F) | 9840 | 68.1 | 14.3 | 16.6 | 47.2 | 57.9 | 70.3 | 80.1 | 84.6 | 97.7 |
Dew point temperature (° F) | 9845 | 55.1 | 15.4 | 6 | 31.6 | 43.5 | 59.5 | 68.2 | 72 | 76.8 |