Table V.

Patients’ characteristics in the HPS group, stratified by compliance with protocol.

	In-protocol (n = 13) n (%)	Off-protocol (n = 6) n (%)	p value
Male	9(69)	4(67)	1.00
Age at diagnosis (years), mean ± SD	44.7 ± 8.3	52.2 ± 13.0	0.145
Median time from diagnosis to treatment (months)	6.3	5.8	0.357
Extrameatal tumour	6(46)	6(100)	0.044*
CPA tumour size (mm), mean ± SD	7.2 ± 2.9	8.7 ± 3.3	0.375
Baseline PTA (dB), median	15.0	33.2	0.244
Postoperative PTA (dB), median	36.2	71.8	0.022*
Maintained Tokyo hearing class A-B	10(77)	2(33)	0.129
Maintained AAO-HNS hearing class A-B	11(85)	2(33)	0.046*

* Statistical significance