Table 5.

Proportional odds logistic regression predicting outcome (CCOS), based on findings at early follow-up

Variable	Univariable OR [95% CI]	p-value
Early tonsillar status
Improved*	–	–
Unchanged	0.82 [0.25–2.63]	0.733
Worsened	0.079 [0.001–4.200]	0.209
Early syrinx status
No syrinx pre- or post-operatively*	–	–
Improved	3.16 [0.77–12.93]	0.109
Unchanged	2.32 [0.48–11.15]	0.293
Worsened	0.56 [0.06–5.15]	0.609
Early hydrocephalus status
No or postoperatively improved hydrocephalus*	–	–
Worsened	0.026 [0.002–0.328]	0.005

*Reference, Bold text indicates a statistically significant correlation (p < 0.05). N/a: not applicable