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Table 1 Characteristics of ICU patients, Aarhus University Hospital, 1999 to 2005

From: Preadmission beta-blocker use and 30-day mortality among patients in intensive care: a cohort study

 

Overall

Propensity-score-matched cohorts

 

No current use of beta-blockers

Current use of beta-blockers

No current use of beta-blockers

Current use of beta-blockers

 

N (%)

N (%)

N (%)

N (%)

Overall

6,531 (80.8%)

1,556 (19.2%)

1,556 (0%)

1,556 (100%)

Age group

    

46 to 59

2,100 (32.2%)

344 (22.1%)

307 (19.7%)

344 (22.1%)

60 to 75

2,880 (44.1%)

740 (47.6%)

790 (50.7%)

740 (47.6%)

75+

1,551 (23.7%)

472 (30.3%)

459 (29.5%)

472 (30.3%)

Gender

    

Female

2,796 (42.8%)

598 (38.4%)

623 (40.0%)

598 (38.4%)

Male

3,735 (57.1%)

958 (61.6%)

933 (60.0%)

958 (61.6%)

Diagnostic category

    

Infectious disease

152 (2.3%)

37 (2.4%)

22 (1.4%)

37 (2.4%)

Cancer

1,200 (18.4%)

143 (9.2%)

114 (7.3%)

143 (9.2%)

Diabetes

88 (1.4%)

18 (1.2%)

14 (0.8%)

18 (1.2%)

Cardiovascular

1,812 (27.7%)

722 (46.4%)

756 (48.6%)

722 (46.4%)

Respiratory

753 (11.5%)

117 (7.5%)

103 (6.6%)

117 (7.5%)

Gastrointestinal

797 (12.2%)

176 (11.3%)

196 (12.6%)

176 (11.3%)

Trauma/poisoning

834 (12.8%)

137 (8.8%)

160 (10.3%)

137 (8.8%)

Other

895 (13.7%)

206 (13.2%)

191 (12.3%)

206 (13.2%)

Surgery within 7 days

    

No surgery

2,829 (43.3%)

611 (39.3%)

592 (38.1%)

611 (39.7%)

Surgery

3,702 (56.7%)

945 (60.7%)

964 (62.0%)

945 (60.7%)

Comorbidity

    

Charlson score

    

0

1,880 (28.8%)

237 (15.2%)

224 (14.4%)

237 (15.2%)

1 to 2

2,740 (42.0%)

649 (41.7%)

666 (42.8%)

649 (41.7%)

3 +

1,911 (29.3%)

670 (43.1%)

666 (42.8%)

670 (43.1%)

Alcoholism-related disorders

696 (10.7%)

160 (10.3%)

150 (9.6%)

160 (10.3%)

Preadmission drug use ACE-inhibitors

954 (14.6%)

633 (40.7%)

644 (41.4%)

633 (40.7%)

Statins

415 (6.4%)

469 (30.1%)

436 (28.0%)

469 (30.1%)

Low-dose aspirin

477 (7.3%)

336 (21.6%)

311 (20.0%)

366 (21.6%)

Marital status

    

Married

2,729 (41.8%)

671 (43.1%)

652 (41.9%)

671 (43.1%)

Never married

476 (7.3%)

91 (5.7%)

88 (5.7%)

91 (5.9%)

Divorced

665 (10.2%)

128 (8.2%)

129 (8.3%)

128 (8.2%)

Widowed

910 (13.4%)

246 (15.8%)

243 (15.6%)

246 (15.8%)

Unknown

1,751 (26.8%)

420 (27.0%)

444 (28.5%)

420 (27.0%)

Laboratory data*

    

Hemoglobin

    

Low

3,049 (47.7%)

805 (51.8%)

771 (49.6%)

805 (51.7%)

High

3482 (53.4%)

751 (48.2%)

785 (50.4%)

751 (48.3%)

Leukocytes

    

Low

3,244 (49.7%)

787 (50.6%)

737 (47.4%)

787 (50.6%)

High

3,287 (50.3%)

769 (49.4%)

819 (52.6%)

769 (49.4%)

C-reactive protein

    

Low

3,318 (50.8%)

723 (46.8%)

703 (45.2%)

723 (46.8%)

High

3,213 (49.2%)

833 (53.2%)

453 (54.8%)

833 (53.2%)

Creatinine

    

Low

3,458 (53.0%)

577 (37.1%)

645 (41.5%)

577 (37.1%)

High

3,073 (47.1%)

979 (62.9%)

911 (58.6%)

979 (62.9%)

  1. *Laboratory data were categorized into two groups based on median values.