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Table 1 Demographic and surgical data

From: Evidence of mycobacterial disease in COPD patients with lung volume reduction surgery; the importance of histological assessment of specimens: a cohort study

Demographic and surgical data
No. of patients 126
Total no. of operations 142
Age, yr (mean ± SD) (Range: 29 – 81 yr) 57.3 ± 9.74
Gender M 107 (75%)
F 35 (25%)
BMI (mean ± SD) 23.52 ± 4.16
Exacerbations/year (mean ± SD) 2.59 ± 2.61
FEV1, % predicted (mean ± SD) 36.30 ± 16.83
FVC, % predicted (mean ± SD) 81.27 ± 20.52
TLCO, % predicted (mean ± SD) 40.47 ± 16.99
RV, % predicted (mean ± SD) 216.48 ± 59.29
TLC, % predicted (mean ± SD) 128.61 ± 20.43
LVRS Operations 112 (79%)
Bilateral 27 (24%)
Unilateral* 85 (76%)
Right 52 (61%)
Left 33 (39%)
Bullectomy^ 30 (21%)
  1. *15 patients had both R and L LVRS done on separate dates.
  2. ^1 patient had both R and L bullectomy on separate dates.
  3. BMI: body mass index; FEV1: forced expiratory volume in 1 s; LVRS: lung volume reduction surgery. Data shown as mean ± Standard Deviation (SD).