Table 1. Mean, standard deviation, correlation coefficients and average absolute error of observed and estimated ARD deaths (2000–2005) from observed inputs.
| Case | observation | Estimated with observed inputs | |||||
|---|---|---|---|---|---|---|---|
| Only RSPM | Only NO2 | Only cold days | With all variables | ||||
| NCEP | IMD | NCEP | IMD | ||||
| Mean | 6085 | 5873 | 7332 | 4546 | 5174 | 6241 | 6710 |
| Standard deviation (*) | 33.9 | 5.6 | 13.1 | 14.3 | 5.8 | 8.0 | 7.4 |
| Correlation (significance level) | - | 0.55 (75) | 0.16 (24) | 0.56 (77) | 0.44 (63) | 0.71 (90) | 0.70 (89) |
| Average relative absolute error (*) | - | 27.0 | 30.2 | 25.0 | 27.0 | 25.7 | 25.5 |
*As a percentage of respective mean.