Table 2: Comparison of most frequent pre-operative comorbidities for admissions with regional block (Block) and those without regional block (NO-Block). Data are presented as n, %.

Comorbidities

Block

(n = 3,646)

NO-Block

(n = 239,159)

p

Hypertension, uncomplicated

1,747 (47.9%)

109,351 (45.7%)

0.008

Hypertension, complicated

1,634 (44.8%)

108,599 (45.4%)

0.476

Diabetes with chronic complications

1,517 (41.6%)

98,007 (41.0%)

0.445

Obesity

1,298 (35.6%)

83,897 (35.1%)

0.513

Heart failure

1,212 (33.2%)

81,404 (34.0%)

0.314

Valvular disease

730 (20.0%)

46,001 (19.2%)

0.231

Chronic pulmonary disease

717 (19.7%)

49,941 (20.9%)

0.073

Peripheral vascular disease

585 (16.0%)

36,327 (15.2%)

0.153

Renal failure, moderate

562 (15.4%)

38,024 (15.9%)

0.427

Renal failure, severe

199 (5.5%)

12,924 (5.4%)

0.885

Hypothyroidism

444 (12.2%)

29,395 (12.3%)

0.836

Cerebrovascular disease

428 (11.7%)

26,285 (11.0%)

0.152

Data from the Vizient Clinical Data Base used by permission of Vizient, Inc. All rights reserved