Accuracy of peak VO2 assessments in career firefighters

Table 3 Comparisons: Heart Rate, Peak VO₂, Estimated METs

	n	Mean	SD	SEM	95% CI Lower	95% CI Upper	t	d	Sig(2-tailed)
Estimated Max.
HR: Actual Max.	83	4.96	8.87	.97	3.03	6.9	5.09	82	.00
HR
Estimated peak VO₂: Direct measure peak VO₂	83	4.06	5.39	.59	2.88	5.23	6.85	82	.00
Pre-revision METs
Est.: Revised METs estimate	63	2.23	1.46	.18	1.86	2.59	12.14	62	.00
Direct METs:
Revised Sub-maximal METs estimate	63	.07	1.85	.23	-.39	.54	.31	62	.76

ISSN: 1745-6673