Table 4.
Proportional odds logistic regression predicting outcome (CCOS), based on pre- and perioperative parameters
| Variable | Univariable p-value |
Multivariable OR [95% CI] | Multivariable p-value |
|---|---|---|---|
| Older age | 0.645 | – | – |
| Female sex | 0.658 | – | – |
| Higher preoperative mMCs | 0.269 | – | – |
| Chiari severity index (CSI) | 0.835 | – | – |
| Symptoms on presentation | |||
| Headache | 0.718 | – | – |
| Neck pain | 0.763 | – | – |
| Motor deficit | 0.099* | 0.09 [0.01–0.62] | 0.015 |
| Sensory disturbances | 0.140 | – | – |
| Sleep apnea | 0.561 | – | – |
| Dysphagia | 0.426 | – | – |
| Vertigo and impaired balance | 0.089* | 3.80 [0.44–33.01] | 0.226 |
| Nausea/vomiting | 0.631 | – | – |
| Radiologic findings | |||
| Higher grade of cerebellar descent | 0.123 | – | – |
| Platybasia | 0.143 | – | – |
| Basilar invagination | 0.032* | 0.27 [0.57–1.30] | 0.103 |
| Syringomyelia | 0.087* | 4.42 [1.02–19.35] | 0.048 |
| Hydrocephalus | 0.264 | – | – |
| Scoliosis | 0.301 | – | – |
| Surgical approach | |||
| Duraplasty | 0.999 | – | – |
| Tonsillar cauterization | 0.671 | – | – |
| Perioperative complication | < 0.001* | 0.16 [0.41–0.66] | 0.011 |
An asterisk (*) indicates a p-value < 0.1 and inclusion in the multivariable regression model. Bold text indicates a statistically significant correlation (p < 0.05)