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Summary statistics for daily number of hospital admissions for ischemic stroke, daily fine particulate matter (PM2.5) concentrations and weather conditions in Beijing, China, January 1, 2010 to June 30, 2012.
| Variable | Mean ± SD | Minimum | Percentile | Maximum | ||
|---|---|---|---|---|---|---|
| 25th | 50th | 75th | ||||
| Daily admission | 70.1 ± 43.8 | 1 | 12 | 86 | 102 | 167 |
| PM2.5 (μg/m3) | 99.5 ± 75.3 | 7.2 | 42.5 | 82.8 | 133.3 | 492.8 |
| Temperature(°C) | 12.6 ± 11.6 | −12.5 | 1.5 | 14.1 | 23.8 | 34.5 |
| Relative humidity (%) | 48.6 ± 20.3 | 9 | 30 | 48 | 66 | 92 |
