|  | Number of patients | Mean duration of ICU stay in days | Std. deviation | Std. error mean | p value |
---|---|---|---|---|---|---|
Diabetes | Absence | 23 | 3.30 | 2.619 | .546 | 0.022 |
 | Presence | 9 | 7.22 | 6.723 | 2.241 |  |
Hypertension | Absence | 17 | 2.59 | 2.293 | .556 | 0.011 |
 | Presence | 15 | 6.47 | 5.397 | 1.393 |  |
Cardiovascular disease | Absence | 15 | 2.60 | 2.384 | .616 | 0.028 |
 | Presence | 17 | 6.00 | 5.244 | 1.272 |  |