Research Article

Establishment of Reference Norms for Lung Function Parameters of Healthy Sri Lankan Tamils

Table 4

Correlation co-efficient between lung function parameters & anthropometric characters in 14–20 years.

AgeHeight (cm)Weight (kg)BMI (kg/m2)SH (cm)AS (cm)MAC (cm)SHHRCE (cm)

Females
VC0.1070.5290.4080.2230.5250.5210.2840.0540.153
FVC0.1300.5580.4370.2400.5460.5530.3120.0460.153
FEV10.1140.5490.3930.1970.5390.5260.2780.0480.157
FEV1%−0.048−0.057−0.161−0.147−0.053−0.110−0.1260.0000.009
FEF25–750.0740.2410.1780.0940.2400.2240.1440.0270.077
MEF750.0950.2220.2450.1700.2360.2460.2400.0460.109
MEF500.0580.2290.2320.1570.2530.2230.2020.0600.090
MEF250.0140.2060.033−0.0450.1810.152−0.003−0.0110.050
PEFR0.0720.3050.2820.1740.3110.3070.2390.0430.143

Males
VC0.5270.7250.6320.4260.6940.7080.5490.1420.109
FVC0.5640.7470.6350.4200.7100.7280.5440.1380.104
FEV10.5600.6920.5730.3690.6890.6750.4870.1800.096
FEV1%−0.029−0.143−0.251−0.236−0.107−0.159−0.2270.018−0.052
FEF25–750.4250.4390.3020.1630.4560.4300.2560.1410.047
MEF750.5110.5100.4140.2670.5340.5020.3890.1710.050
MEF500.4230.4140.3030.1780.4310.4100.2700.1350.042
MEF250.3550.3830.2060.0710.3950.3610.1560.1170.020
PEFR0.5700.5750.4650.2990.6090.5650.4540.2030.025

 ≤ 0.05, SH-sitting height, AS-arm span, MAC-mid arm circumference, SHHR-sitting height to height ratio, CE-chest expansion.