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Table 2 Baseline characteristics and cardiac catheterization status

From: The effect of a regional care model on cardiac catheterization rates in patients with Acute Coronary Syndromes

 

Interventional

 

Community

  

Characteristic

No cath N = 1,730

Cath N = 1,832

P-value

No cath N = 791

Cath N = 1,801

P-value

Overall P-value

Age (years)

68.1 (13.2)

64.8 (11.9)

<0.0001

69.6 (14.6)

64.9 (12.0)

<0.0001

<0.0001

Male

1,147 (66.3%)

1,327 (72.4%)

<0.0001

472 (59.7%)

1,296 (72.0%)

<0.0001

<0.0001

Diabetes

441 (25.5%)

431 (23.5%)

0.173

216 (27.3%)

462 (25.7%)

0.377

0.18

Hypertension

1,157 (66.9%)

1,200 (65.5%)

0.386

511 (64.6%)

1,221 (67.8%)

0.112

0.32

Dyslipidemia

1,227 (70.9%)

1,409 (76.9%)

<0.0001

513 (64.9%)

1,486 (82.5%)

<0.0001

<0.0001

Smoker

310 (17.9%)

365 (19.9%)

0.127

157 (19.9%)

503 (27.9%)

<0.0001

<0.0001

Previous MI

496 (28.7%)

463 (25.3%)

0.022

246 (31.1%)

431 (23.9%)

0.0001

0.0002

Previous PCI

449 (26.0%)

431 (25.3%)

0.093

140 (17.7%)

344 (19.1%)

0.399

<0.0001

Previous CABG

235 (13.6%)

178 (9.7%)

0.0003

91 (11.5%)

136 (7.6%)

0.001

<0.0001

Previous heart failure

162 (9.4%)

90 (4.9%)

<0.0001

123 (15.6%)

115 (6.4%)

<0.0001

<0.0001

Chronic renal failure

66 (3.8%)

49 (2.7%)

0.054

27 (3.4%)

47 (2.6%)

0.258

0.12

Acute renal failure

7 (0.4%)

3 (0.2%)

0.175

8 (1.0%)

2 (0.1%)

0.0007

0.001

Dialysis

43 (2.5%)

33 (1.8%)

0.158

10 (1.3%)

19 (1.1%)

0.641

0.008

Cerebrovascular disease

149 (8.6%)

143 (7.8%)

0.380

79 (10.0%)

117 (6.5%)

0.002

0.013

Peripheral vascular disease

89 (5.1%)

83 (4.5%)

0.393

53 (6.7%)

83 (4.6%)

0.028

0.097

Mean heart rate (beats/min)

74.6 (19.8)

76.3 (18.9)

0.012

79.2 (20.6)

75.4 (20.0)

<0.0001

<0.0001

Mean systolic BP (mmHg)

136.8 (25.7)

140.7 (25.6)

<0.0001

140.7 (27.8)

142.7 (27.2)

0.092

<0.0001

Mean diastolic BP (mmHg)

75.7 (15.9)

79.8 (16.2)

<0.0001

78.0 (17.0)

81.2 (17.5)

<0.0001

<0.0001

Systolic BP < 100

78 (4.7)

58 (3.2)

0.029

39 (5.1)

67 (3.8)

0.142

0.068

Presence of shock

13 (0.8%)

19 (1.0%)

0.367

9 (1.1%)

9 (0.5%)

0.072

0.22

ECG dynamic changes

189 (10.9%)

230 (12.6%)

0.131

138 (17.5%)

299 (16.6%)

0.597

<0.0001

Presentation diagnosis

  

<0.0001

  

<0.0001

<0.0001

Unstable angina

523 (30.2%)

753 (41.1%)

 

306 (38.7%)

953 (52.9%)

  

NSTEMI

1,207 (69.8%)

1,079 (58.9%)

 

485 (61.3%)

848 (47.1%)

  

Non-invasive tests† performed within 3 month prior to admission

360 (20.8%)

256 (14.0%)

<0.0001

100 (12.6%)

248 (13.8%)

0.438

<0.0001

  1. Values are expressed as mean ± SD and number (%).
  2. MI = Myocardial infarction, PCI = Percutaneous coronary intervention, CABG = Coronary artery bypass grafting, BP = Blood pressure, ECG = Electrocardiogram, mmHg = Millimeters of mercury, NSTEMI = Non-ST elevation myocardial infarction.
  3. †Non-invasive tests includes nuclear thallium, stress ECHO, treadmill, CT, MRI and peripheral angiography.
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BMC Health Services Research

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