Table 2.
Descriptive statistics for hospital costs
| Statistic | Results for | Results for | Results for |
|---|---|---|---|
| full data set | estimation set | validation set | |
| N | 6164114 | 3082057 | 3082057 |
| Mean | £2610 | £2610 | £2610 |
| Median | £1126 | £1126 | £1126 |
| Standard deviation | £5088 | £5090 | £5085 |
| Skewness | 13.03 | 12.94 | 13.13 |
| Kurtosis | 36318 | 347.06 | 379.36 |
| Maximum | £604701 | £476458.3 | £604701 |
| 99th percentile | £19015 | £19074 | £18955 |
| 95th percentile | £8956 | £8943 | £8969 |
| 90th percentile | £6017 | £6010 | £6025 |
| 75th percentile | £2722 | £2721 | £2722 |
| 25th percentile | £610 | £610 | £610 |
| 10th percentile | £446 | £446 | £446 |
| 5th percentile | £407 | £407 | £407 |
| 1st percentile | £347 | £347 | £347 |
| Minimum | £217 | £217 | £217 |