Lung Function Reference Calculator
Finnish reference values — Kainu et al.
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FI
Spirometry
Diffusing Capacity
1. Patient
Age (years)
Height (cm)
Sex
Male
Female
2. Measured values
Enter measured values to compute z-scores and % predicted. Leave empty to see reference values only.
Pre-BD
Post-BD
VC (L)
FVC (L)
FEV₁ (L)
FEV₁/FVC
PEF (L/s)
Show advanced parameters
FEV₆ (L)
FEV₁/FEV₆
MMEF (L/s)
MEF₇₅ (L/s)
MEF₅₀ (L/s)
MEF₂₅ (L/s)
3. Reference values
4. Interpretation
1. Patient
Age (years)
Height (cm)
Weight (kg)
Sex
Male
Female
2. Measured values
Enter measured values to compute z-scores and % predicted. Leave empty to see reference values only.
DL
CO
(mmol/min/kPa)
DL
CO
/V
A
(mmol/min/kPa/L)
V
A
(L)
3. Reference values
4. Interpretation