Table 2.
Characteristics of admissions for MDs and meteorological variables and air pollutants in Yancheng, China, 2014–17
| Group | Sum | Mean (SD) | P1 | P5 | P10 | P25 | P50 | P75 | P90 | P95 | P99 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Total (F00–F99) | 8438 | 5.8 (3.0) | 0 | 2 | 2 | 4 | 5 | 8 | 10 | 11 | 14.4 |
|
MDs due to alcohol (F10) |
6802 | 4.7 (2.7) | 0 | 0 | 1 | 2 | 4 | 6 | 8 | 10 | 13 |
| Male | 5889 | 4.1 (2.4) | 0 | 1 | 1 | 2 | 4 | 5 | 7 | 8 | 11 |
| Female | 2549 | 1.7 (1.5) | 0 | 0 | 0 | 1 | 2 | 2 | 4 | 4 | 6 |
| < 45 years | 6038 | 4.1 (2.4) | 0 | 1 | 1 | 2 | 4 | 6 | 7 | 9 | 11 |
| ≥ 45 years | 2400 | 1.6 (1.4) | 0 | 0 | 0 | 1 | 1 | 2 | 3 | 4 | 6 |
| 45–60 years | 1911 | 1.3 (1.2) | 0 | 0 | 0 | 0 | 1 | 2 | 3 | 4 | 5 |
| ≥ 60 years | 489 | 0.3 (0.6) | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 2 |
| Warm (Apr to Sep) | 4134 | 2.8 (3.5) | 0 | 0 | 0 | 0 | 0 | 5 | 8 | 9 | 12 |
| Cool (Oct to Mar) | 4304 | 2.9 (3.7) | 0 | 0 | 0 | 0 | 0 | 5 | 8 | 10 | 14 |
| Apparent temperature (°C) | – | 15.2 (12.1) | −5.4 | −2.8 | −0.92 | 4.03 | 15.6 | 25.3 | 30.6 | 34.5 | 38.1 |
| Mean temperature (°C) | – | 15.7 (9.1) | −0.7 | 1.3 | 3.1 | 7.3 | 16.7 | 23.4 | 27.0 | 29.3 | 32.2 |
| Relative humidity (%) | – | 76.1 (13.4) | 45 | 51 | 56 | 67 | 78 | 86 | 93 | 96 | 100 |
| Sunshine duration (h) | – | 5.2 (3.9) | 0 | 0 | 0 | 0 | 6.0 | 8.5 | 10.1 | 10.9 | 11.8 |
| Wind speed (m/s) | – | 2.5 (1.1) | 0.6 | 1.1 | 1.3 | 1.7 | 2.3 | 3.0 | 3.8 | 4.3 | 5.6 |
| Rainfall (mm) | – | 3.3 (12.5) | 0 | 0 | 0 | 0 | 0.0 | 0.3 | 8.1 | 20.2 | 60.7 |
| BP (hPa) | – | 1017.0 (9.2) | 999.9 | 1003 | 1005 | 1009 | 1017 | 1024 | 1029 | 1032 | 1035 |
| PM10 (μg/m3) | – | 83.3 (49.0) | 15.6 | 28.0 | 34.0 | 48.0 | 71.0 | 108.0 | 146.0 | 176.0 | 253.0 |
| PM2.5 (μg/m3) | – | 48.3 (35.0) | 8.0 | 12.0 | 15.0 | 230.0 | 23.0 | 39.0 | 94.0 | 115.0 | 178.4 |
| SO2 (μg/m3) | – | 16.9 (10.1) | 5 | 7 | 8 | 10 | 14 | 20 | 30 | 37 | 54 |
| CO (mg/m3) | – | 0.8 (0.3) | 0.3 | 0.4 | 0.5 | 0.6 | 0.7 | 0.9 | 1.2 | 1.4 | 1.8 |
| NO2 (μg/m3) | – | 25.7 (13.1) | 8 | 11 | 12 | 16.0 | 22.0 | 31.0 | 44 | 54 | 67 |
| O3_8h (μg/m3) | – | 105.8 (38.0) | 29.6 | 56.0 | 64.0 | 78.0 | 101.0 | 127.0 | 156.0 | 175.0 | 212.4 |
P1, P5, P10, P25, P50, P75, P90, P95, P99: the 1th percentile, the 5th percentile, the 10th percentile, the 25th percentile, the 50th percentile, the 75th percentile, the 90th percentile, the 95th percentile, the 99th percentile; SD, standard deviation; BP, barometric pressure