Table 4.
Continuous variables significantly related with inpatient mortality (analysed using independent samples t-test).
| Mortality | Sample size | Mean | Standard deviation | p value | |
|---|---|---|---|---|---|
| Patient age on admission (years) | Yes | 45 | 76.71 | 8.064 | <0.001 |
| No | 333 | 70.75 | 9.091 | ||
|
| |||||
| Total number of previous AECOPD admissions (n) | Yes | 45 | 1.47 | 1.791 | <0.001 |
| No | 328 | 4.67 | 6.644 | ||
|
| |||||
| Length of stay in hospital (days) | Yes | 45 | 11.73 | 12.027 | 0.003 |
| No | 333 | 6.05 | 5.717 | ||
|
| |||||
| Days since last admission (days) | Yes | 45 | 2.07 | 0.863 | 0.049 |
| No | 325 | 1.79 | 0.888 | ||