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

Table 5

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

	Age	Height (cm)	Weight (kg)	BMI (kg/m^2)	SH (cm)	AS (cm)	MAC (cm)	SHHR	CE (cm)
Males
VC	−0.464	0.582	0.254	−0.032	0.548	0.536	0.109	−0.014	0.240
FVC	−0.513	0.572	0.235	−0.048	0.545	0.516	0.107	−0.005	0.213
FEV1	−0.551	0.541	0.247	0.014	0.501	0.475	0.136	0.025	0.197
FEV1%	−0.140	−0.101	0.061	0.137	−0.117	−0.133	0.111	−0.026	−0.037
FEF25–75	−0.367	0.273	0.136	0.227	0.236	0.216	0.199	−0.035	0.093
MEF75	−0.292	0.329	0.288	0.154	0.306	0.292	0.235	−0.013	0.117
MEF50	−0.282	0.234	0.232	0.145	0.200	0.184	0.196	−0.033	0.085
MEF25	−0.437	0.265	0.167	0.054	0.234	0.207	0.137	−0.023	0.112
PEFR	−0.241	0.407	0.379	0.217	0.412	0.393	0.290	0.036	0.191
Females
VC	−0.470	0.504	0.135	−0.066	0.443	0.476	−0.049	−0.073	0.226
FVC	−0.523	0.498	0.095	−0.106	0.445	0.467	−0.081	−0.064	0.218
FEV1	−0.581	0.476	0.084	−0.107	0.442	0.430	−0.091	−0.034	0.226
FEV1%	−0.223	−0.198	−0.048	0.016	−0.008	−0.130	−0.045	0.114	0.026
FEF25–75	−0.420	0.258	0.119	0.016	0.249	0.219	0.005	−0.013	0.150
MEF75	−0.290	0.302	0.194	0.079	0.296	0.285	0.062	−0.004	0.077
MEF50	−0.328	0.256	0.189	0.093	0.243	0.228	0.085	−0.018	0.107
MEF25	−0.469	0.197	−0.021	−0.108	0.218	0.112	−0.106	0.024	0.207
PEFR	−0.344	0.329	0.255	0.140	0.360	0.304	0.162	0.042	0.050

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