Table 5.

Comparison of estimated minute ventilation using individual or group mean equations

	Minute ventilation cyclists		Ratio minute ventilation bike: car
Study/gender	Mean minute ventilation	Mean difference (l/min) (SD)#	Mean ratio	Mean difference (SD)#
TRAVEL: individual$
Men	22.0	NA	1.88	NA.
Women	27.6	NA	2.61	NA
TRAVEL: mean†
Men	20.4	-1.7 (5.6)	1.87	-0.01 (0.36)
Women	34.4	6.8 (10.1)	2.57	-0.04 (0.32)
Samet [12]
Men	26.9	4.9 (6.7)	1.92	0.03 (0.37)
Women	29.6	2.0 (9.5)	2.43	-0.18 (0.37)
Colucci [13]
Men	10.0	-12 (4.8)	1.60	-0.29 (0.34)

^#Mean difference with individual calculations (SD of difference)

^$Using individual equations from this study

^†Using group mean equations from this study