| Other waste | Sharps waste | Total waste | Y (% sharps) | Ash | |
| N | 65 | 65 | 65 | 65 | 65 |
| Mean, | 0.422 | 0.363 | 0.353 | 0.385 | 0.466 |
| Median | 0.341 | 0.324 | 0.302 | 0.349 | 0.448 |
| Std. Deviation, sn | 0.247 | 0.240 | 0.232 | 0.243 | 0.212 |
| Skewness, Skn | 0.970 | 1.034 | 1.231 | 0.903 | 0.609 |
| Kurtosis, Kun | −0.052 | 0.570 | 1.074 | 0.268 | 0.724 |