Table 2. Univariate and multivariate logistic regression analyses of prognostic factors in patients with prolonged DOC in training set.
| Variable | Univariate | Multivariate | ||
| OR(95%CI) | P-value | OR(95%CI) | P-value | |
| Age(years) | 1.041(1.016-1.069) | 0.002 | 1.037(1.006-1.071) | 0.022 |
| Sex | ||||
| Female | Ref | |||
| Male | 0.978(0.478-2.001) | 0.952 | ||
| Etiology | ||||
| Trauma | 1.099(0.552-2.186) | 0.788 | ||
| Stroke | Ref | |||
| Anoxia | 1.389(0.329-5.864) | 0.654 | ||
| CRS-R total score | 0.834(0.748-0.923) | 0.006 | 1.073(0.895-1.294) | 0.399 |
| GCS total score | 0.612(0.473-0.768) | 0.005 | 0.699(0.499-0.947) | 0.027 |
| Serum albumin(g/L) | 0.921(0.844-1.001) | 0.560 | ||
| Hemoglobin(g/L) | 0.990(0.969-1.011) | 0.356 | ||
| Basic cardiopulmonary diseases | ||||
| Presence | Ref | |||
| Absence | 0.517(0.160-1.672) | 0.264 | ||
| Level of consciousness | ||||
| VS | Ref | Ref | ||
| MCS | 0.202(0.096-0.410) | 0.000 | 0.309(0.087-1.039) | 0.043 |
| Multiple injuries | ||||
| Presence | Ref | |||
| Absence | 1.237(0.580-2.639) | 0.581 | ||
| EEG background activity | ||||
| Alpha rhythms exists | Ref | Ref | ||
| Lack of alpha rhythms | 4.216(2.047-8.686) | 0.000 | 2.252(0.958-5.428) | 0.065 |
| N20 on SEP | ||||
| Presence | Ref | Ref | ||
| One or both absent | 10.02(2.282-44.075) | 0.000 | 3.24(0.712-23.580) | 0.168 |
| BAEP grade | ||||
| GradeI-II | Ref | Ref | ||
| GradeIII-IV | 4.987(2.395-11.010) | 0.000 | 2.779(1.150-7.024) | 0.026 |
| Midline shift | ||||
| Presence | Ref | |||
| Absence | 0.474(0.148-1.521) | 0.202 | ||
| Hypertension | ||||
| Presence | Ref | |||
| Absence | 0.978(0.478-2.001) | 0.952 | ||
| Smoking history | ||||
| Presence | Ref | |||
| Absence | 0.605(0.205-1.782) | 0.358 | ||
| Cholesterol | ||||
| >5.17mmol/L | Ref | |||
| ≤5.17mmol/L | 0.798(0.262-2.430) | 0.690 | ||
| Triglyceride | ||||
| >1.70mmol/L | Ref | |||
| ≤1.70mmol/L | 1.650(0.816-3.338) | 0.162 | ||