Research Article
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/m2) | 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. |