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Table 3 Characteristics of Patients who measured Sirt1 protein expression

From: Sirt1 expression is associated with CD31 expression in blood cells from patients with chronic obstructive pulmonary disease

Characteristics Smoking control Mild COPD Moderate COPD Severe COPD
GOLD - Stage I Stage II Stage III, IV
Number of patients 12 5 20 11
Age (years) 69.6 ± 6.4 74.2 ± 5.5 75.9 ± 7.7 74.2 ± 7.6
Gender (Male/Female) (12/0) (4/1) (19/1) (10/1)
FVC predict (%) 99.2 ± 15.6 114.1 ± 5.4 97.2 ± 11.6 81.9 ± 17.5*
FEV1/FVC (%) 77.1 ± 7.6 59.4 ± 7.6* 51.0 ± 9.4* 32.7 ± 6.7*
FEV1% predict 96.6 ± 14.3 88.2 ± 8.0 63.5 ± 7.3* 34.2 ± 9.2*
Smoking (Pack years) 48.1 ± 31.7 43.0 ± 11.8 56.3 ± 31.7 68.3 ± 32.9
Current smoker (no.) 3 0 6 0
Medication (no.)
 LABA - 4 17 10
 LAMA - 3 16 8
 ICS - 2 6 7
  1. Values are expressed as means ± SD. *p < 0.05 vs smoking control