The Influence of Age on Interaction between Breath-Holding Test and Single-Breath Carbon Dioxide Test

Table 2

Correlation between breath-holding duration and peripheral chemoreflex sensitivity to carbon dioxide in different age groups.

	⁢Age group
	25–44 years	45–59 years	60–74 years	≥75 years
Breath-holding duration, sec	51 ± 13	48 ± 11	48 ± 8	47 ± 7
Peripheral chemoreflex CO2 sensitivity, L/min/mmHg	0.317 ± 0.119	0.345 ± 0.105	0.312 ± 0.064	0.333 ± 0.124
Correlation coefficient

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