Normative reference values for the two-minute walk test derived by meta-analysis.
Richard W Bohannon
PMID 29643611WHAT IT FOUND
Typical two-minute walk distances in healthy adults ranged from 150.3 meters for women aged 70 to 79 years to 217.9 meters for men aged 20 to 29 years.
Key findings
01Normative two-minute walk distances were lowest for women aged 70 to 79 years (150.3 meters) and highest for men aged 20 to 29 years (217.9 meters).
02The 12 gender and age strata were based on 2 to 4 studies and 94 to 1,209 individuals.
03Quality scores ranged from 6 to 9 out of 10 possible points, and were limited by inadequate descriptions of the samples and the walk test task.
STILL TO COME
How it was doneWhat they foundWhat it means for PTs
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What it does not show
The meta-analysis included only four studies, so the reference values rest on a narrow evidence base. Some investigators did not provide the gender and age group data needed for inclusion. The included studies came only from the United States and India, so the values may not apply to other populations. Study quality scores were limited by incomplete descriptions of the samples and the walk test task. The values were derived from healthy adults, so they may not directly describe people with disease or disability.
Declared interests
The author declared no conflicts of interest.
The easy way to misread this
Do not treat these values as universal norms for all adults. They were derived from healthy adults, from a limited number of studies, and lacked nationality diversity, so broader population-based reference values are still needed.