Table 1 Characteristics of SIDIAP patients at the beginning of the study

Gender (female)

776,764

406,346 (52.3%)

24,135

5523 (22.9%)

−29.4%

800,899

411,869 (51.4%)

 < 0.001

Age

776,764

60 ± 14

24,135

72 ± 11

12

800,899

60 ± 14

 < 0.001

Grouped Age

782,055

18,844

800,899

 < 0.001

 41—50

254,121 (32.5%)

952 (5.1%)

−27.4%

255,073 (31.8%)

 51—60

192,339 (24.6%)

2964 (15.7%)

−8.9%

195,303 (24.4%)

 61—70

153,292 (19.6%)

5471 (29%)

9.4%

158,763 (19.8%)

 71—80

107,013 (13.7%)

6174 (32.8%)

19.1%

113,187 (14.1%)

 80 or more

75,290 (9.6%)

3283 (17.4%)

7.8%

78,573 (9.8%)

Smoking History (Y)

776,764

244,600 (31.5%)

24,135

16,117 (66.8%)

35.3%

800,899

260,717 (32.6%)

 < 0.001

Alcohol Consumption

371,525

17,843

389,368

 < 0.001

 No consumption

255,958 (68.9%)

10,734 (60.2%)

−8.7%

266,692 (68.5%)

 Low Risk

107,170 (28.8%)

6374 (35.7%)

6.9%

113,544 (29.2%)

 Moderate Risk

8301 (2.2%)

725 (4.1%)

1.8%

9026 (2.3%)

 High Risk

96 (0%)

10 (0.1%)

0.0%

106 (0%)

Waist Circumference

66,004

101.6 ± 12.3

4183

105.8 ± 12.7

4.14

70,187

101.9 ± 12.4

 < 0.001

 Missing

776,764

710,760 (91.5%)

24,135

19,952 (82.7%)

−8.8%

800,899

730,712 (91.2%)

 < 0.001

Grouped BMI

280,871

15,400

296,271

0.310

 Normal

59,635 (21.2%)

3306 (21.5%)

0.2%

62,941 (21.2%)

 Overweight

120,728 (43%)

6451 (41.9%)

−1.1%

127,179 (42.9%)

 Obesity

100,508 (35.8%)

5643 (36.6%)

0.9%

106,151 (35.8%)

Gold grouped

9746

NA

 I

1205 (12.4%)

 II

4788 (49.1%)

 III–IV

3753 (38.5%)

Without bronchodilation

 FEV1/FVC

9213

59.6 ± 11.4

 FEV1

9054

57.7 ± 19.8

 FVC

8826

100.1 ± 201.6

FVC

8826