FEV1 (Lung Function): Females, Age 20-29

Page updated: Evidence reviewed: What this means

What these numbers mean

A value around 3.26 L is typical (50th percentile) for females in this age group. The middle 50% of the reference population fall between about 3.00 L and 3.52 L; values below or above that central range sit in the lower or upper half of the distribution.

Also see: 15-19 · 30-39 · All ages

Data source: Quanjer et al. (GLI-2012) (2012) · n=74.2K About this study

Reference population: 74,187 healthy lifelong nonsmokers aged 3-95 years in four fitted groups; 57,395 were in the source-labelled Caucasian group

FEV1 (Lung Function) Respiratory Females 20-29

FEV1 (Lung Function) Percentile Chart (L)

Very low 2.62 L
Low 3.00 L
Average 3.26 L
High 3.52 L
Very high 3.88 L
FEV1 (Lung Function) percentile distribution chart for Females, age 20-29 5th 5th: 2.62 L (Very low) 2.62 Very low 25th 25th: 3.00 L (Low) 3.00 Low 50th 50th: 3.26 L (Average) 3.26 Average 75th 75th: 3.52 L (High) 3.52 High 95th 95th: 3.88 L (Very high) 3.88 Very high 0 0.8 1.6 2.4 3.2 4 L FEV1 (Lung Function) percentile distribution chart for Females, age 20-29 5th 5th: 2.62 L (Very low) 2.62 Very low 25th 25th: 3.00 L (Low) 3.00 Low 50th 50th: 3.26 L (Average) 3.26 Average 75th 75th: 3.52 L (High) 3.52 High 95th 95th: 3.88 L (Very high) 3.88 Very high 0 0.8 1.6 2.4 3.2 4 L

This percentile chart shows how common a value is, not whether it is healthy.

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Other age brackets
5-910-1415-1930-3940-4950-5960-6970-7980+ All
Males data Males, 20-29
Age trend

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