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Sample selection for analysis
| ED visits/patient | ED visits, N | (%) | patients, N | (%) | mean | (SD) | median | (min-max) | |
|---|---|---|---|---|---|---|---|---|---|
| Eligible sample | 1 to 15 | 333,028 | (97.68) | 222,062 | (99.999) | 46.7 | (18.6) | 45.0 | (18–108) |
| 1 | 166,364 | (48.80) | 166,364 | (74.92) | 44.1 | (18.2) | 41.0 | (18–108) | |
| 2 to 15 | 166,664 | (48.88) | 55,698 | (25.08) | 49.2 | (18.7) | 48.0 | (18–103) | |
| > 15 | 7901 | (2.32) | 325 | (0.001) | 54.9 | (18.3) | 55.0 | (20–99) |
SD Standard Deviation, min-max minimum-maximum. Mean, SD, median and min-max refer to age in years
