. 2024 Dec 27;16(12):8565–8581. doi: 10.21037/jtd-24-1325

Table 5. Correlations of objective testing with individual questions within neurologic section of the Phoenix Comprehensive Assessment of Pectus Excavatum Symptoms questionnaire.

Neurologic questions	Associations	ARS
“Do you experience numbness in your hands or feet?”	Correlation coefficient	−0.292
“Do you experience numbness in your hands or feet?”	P	0.11
“Do you experience dizziness or feel like you are going to pass out when you stand up?”	Correlation coefficient	−0.018
	P	0.92
“Do you experience dizziness when walking upstairs, hiking hills, biking or doing other exercise where you are leaning forward?”	Correlation coefficient	−0.265
	P	0.14
“Do you experience dizziness when running or performing aerobic type exercise?”	Correlation coefficient	−0.471
	P	0.007
“Do you notice color changes in your hands or feet (red, white, blue, purple) when exercising?”	Correlation coefficient	−0.110
	P	0.55
“Do you have cold hands or feet?”	Correlation coefficient	−0.143
“Do you have cold hands or feet?”	P	0.44

ARS, autonomic reflex screening.