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Table 1 Characteristics of the study patients, knowledge of their smoking habits, and use of spirometry in the study groups, years 1997 and 2002

From: Use of spirometry and recording of smoking habits of COPD patients increased in primary health care during national COPD programme

  Group 1997 2002 p
N COPD 100 216 NA1
  Others 972 1429 NA
  All 1072 1645 NA
Mean age (years ± SD) COPD 70.1 (11.3) 68.3 (13.0) 0.22
  Others 51.7 (19.8) 53.4 (19.3) 0.03
  All 53.4 55.4 0.96
Gender/male
N (%)
COPD 69 (69.0) 146 (67.6) 0.46
  Others 342 (35.2) 463 (32.4) 0.09
  All 411 (38.3) 609 (37.0) 0.49
PEF COPD 173.0 (260.3) 309.3 (148.4) 0.001
  Others 263.3 (227.1) 414.8 (121.0) < 0.001
  All 247.1 (235.0) 390.8 (135.0) < 0.001
FEV1/FVC COPD 61.9 (10.6) 67.4 (14.0) 0.04
  Others 81.8 (6.4) 86.1 (18.1) 0.10
  All 74.2 (12.7) 81.1 (19.0) 0.001
Data on smoking status available N (%) COPD 45 (45.0) 182 (84.3) < 0.001
  Others 133 (13.7) 693 (48.5) < 0.001
  All 178 (16.6) 875 (53.2) < 0.001
Pack years of smoking COPD 31.0 (9.8) 46.9 (17.9) 0.03
  Others 25.9 (9.3) 24.5 (18.8) 0.86
  All 27.2 (11.5) 37.3 (19.2) 0.03
Spirometry performed N (%) COPD 32 (32.0) 172 (79.6) < 0.001
  Others 54 (5.6) 468 (32.8) < 0.001
  All 86 (8.0) 640 (38.9) < 0.001
  1. 1 Not available