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Table 1 Summary of analyzed COPDGene subjects by former (n = 286) and current (n = 229) smoking status. Values represent mean (SD)

From: RNA sequencing identifies novel non-coding RNA and exon-specific effects associated with cigarette smoking

  Former Smokers (n = 286) Current Smokers (n = 229) P-value
Race (% NHW) 86% 57% <0.01
Gender (% female) 45% 49% 0.4
Age 69 (8.1) 61 (7.6) <0.01
Pack-Years Smoked 44 (23) 46 (21) 0.5
FEV1 percent predicted 73 (29) 79 (24) 0.02
COPD cases 41% 48% <0.01
Neutrophil percentage 61 (11) 58 (11) <0.01
Lymphocyte percentage 28 (11) 31 (9.9) <0.01
Eosinophil percentage 2.6 (2.1) 2.7 (3.0) 0.9
Monocyte percentage 8.5(2.5) 7.6(2.2) <0.01
Basophil percentage 0.59(0.55) 0.59(0.65) 0.9