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Two inputs place most people inside a Mandsager quintile with a hazard ratio and a FRIEND age/sex percentile attached.

Age (years)42

Resting HR (bpm)58

Biological sex

Formula: VO₂ ≈ 15 × (HRmax / HRrest) · Uth-Sørensen-Overgaard-Pedersen
HRmax = 208 − 0.7 × age · Tanaka, JACC 2001
Norms: FRIEND registry · Kaminsky, Mayo Clin Proc 2015

aeroglyphics · vo2_estimate

Estimated VO₂ max

46.2ml/kg/min

HRmax (est.)

179 bpm

Mandsager quintile

High

FRIEND percentile

60th

Good · age/sex adjusted

Adjusted mortality risk

HR 1.19

vs elite baseline · Mandsager 2018

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Estimate only. For clinical precision request a CPET (cardiopulmonary exercise test). Smartwatch VO₂ max readings are also a valid input.