Table 6: Comparisons of means of laboratory results and TRV with spirometry outcomes among Hb-SS subjects.

Spirometry Interpretation
ObstructiveRestrictiveMixedNormalP-value

Hemoglobin Level (g/dl)8.4±1.87.9±1.67.3±2.08.4±1.30.350
Total Neutrophil count (x 109/l)8.5±3.210.6±4.08.3±1.210.3±3.30.413
Platelet Count (x 109/l)251.1±58.9366.6±103.1308.4±87.8350.6±127...30.034
Plasma Haemoglobin (ug/ml)94.8±46.8132.4±81.399.7±34.5115.9±83.30.699
Creatinine64.8±17.357.8±22.861.7±28.049.4±10.80.372
Urea3.1±0.53.9±2.04.1±2.12.9±0.60.203
FVC%87.6 ±15.661.4±11.457.3±11.694.1±16.4<0.001
FEV1%61.8 ±12.356.9±11.243.0±9.688.1±18.4<0.001
Freq of crisis/year0.5±0.81.5±1.31.1±0.91.1±1.40.410
TRV(m/s)2.4±0.32.3±0.42.6±0.42.2±0.40.056