Table 5: Correlation between FEV1, FVC percentage predicted, and laboratory parameters using Spearman’s ranked correlation coefficient Rho.

Laboratory indices FEV1%FVC%
Spearman’s Coefficient RhoP-valueSpearman’s Coefficient RhoP-value

Haemoglobin(g/dl)0.2440.0430.2000.100
Total WBC0.0810.5140.0580.637
Platelet0.155,0.2080.0100.938
Plasma Hb- 0.1080.387- 0.1150.359
Urea- 0.0670.568- 0.1130.393
Creatinine- 0.0390.7740.0320.810