Table 8 – Online.

Demographic and clinical characteristics for patients with and without posterior fossa syndrome

		PFS-yes		PFS-no
		n = 20		n = 81
		n	%	n	%	P*
Sex	Male	13	65.0	50	61.7	0.787
	Female	7	35.0	31	38.3
Risk Arm	Average	14	70.0	61	75.3	0.627
	High	6	30.0	20	24.7
		Mean	SD	Mean	SD	p**
Age at Diagnosis		8.6	11.6	10.5	4.7	0.082
Cumulative Anesthesia Duration		33.7	16.1	18.0	14.3	<.0001
Age at Testing		11.6	3.2	13.5	4.7	0.095

PFS = posterior fossa syndrome.

^*2-sided p-value from chi-square frequency comparison;

^**2-sided p-value from two-sample t-test. Bold font = statistically significant at p ≤ 0.05. Anesthesia duration is measured in hours.