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Table 1 Sample characteristics

From: Long-term survival among older patients with myocardial infarction differs by educational level: results from the MONICA/KORA myocardial infarction registry

 

Total sample

Low education

Higher education

p-value

 

(n = 3,419)

(n = 490)

(n = 2,929)

Sociodemographic characteristics

   

 Female

844 (24.7)

313 (63.9)

531 (18.1)

<0.001

 Age [years], mean ± SD

60.0 ± 9.7

63.8 ± 8.8

59.3 ± 9.7

<0.001

 ≤ 65 years

2,212 (64.7)

232 (47.4)

1,980 (67.6)

<0.001

 > 65 years

1,207 (35.3)

258 (52.7)

949 (32.4)

 

 Living alone

614 (18.0)

116 (23.7)

498 (17.0)

<0.001

Risk factors and co-morbidities

   

 Diabetes

958 (28.0)

181 (36.9)

777 (26.5)

<0.001

 Angina pectoris

491 (14.4)

86 (17.6)

405 (13.8)

0.030

 Hypertension

2,601 (76.1)

411 (83.9)

2,190 (74.8)

<0.001

 Hyperlipidaemia

2,445 (71.5)

355 (72.5)

2,090 (71.4)

0.620

 Body mass index > 30 kg/m2

849 (24.8)

164 (33.5)

685 (23.4)

<0.001

 Stroke

181 (5.3)

38 (7.8)

143 (4.9)

0.009

 Smoking

    

  Current smoker

1,245 (36.9)

151 (31.2)

1,094 (37.8)

<0.001

  Ex-smoker

1,048 (31.0)

102 (21.1)

946 (32.7)

 

  Never smoker

1,085 (32.1)

231 (47.7)

854 (29.5)

 

AMI characteristics and treatment

   

 ST-segment elevation MI

1,372 (40.1)

203 (41.4)

1,169 (39.9)

0.688

 Non-ST-segment elevation MI

1,879 (55.0)

266 (54.3)

1,613 (55.1)

 

 Bundle branch block

168 (4.9)

21 (4.3)

147 (5.0)

 

 Prehospital delay time [minutes], median/IQR

170/516

180/436

168.5/539

0.783

 Any reperfusion treatment

2,934 (85.8)

408 (83.3)

2,526 (86.2)

0.081

 Coronary artery bypass grafting

529 (15.5)

69 (14.1)

460 (15.7)

0.358

 PTCAa without stenting

166 (4.9)

28 (5.7)

138 (4.7)

0.335

 PTCA with stenting

2,199 (64.4)

304 (62.1)

1,895 (64.7)

0.275

 LVEFb < 30%

251 (10.5)

27 (8.0)

224 (10.9)

0.105

In-hospital complications

   

 Any in-hospital complicationc

391 (11.4)

51 (10.4)

340 (11.6)

0.440

 Cardiac arrest

131 (3.8)

23 (4.7)

108 (3.7)

0.271

 Pulmonary oedema

70 (2.1)

11 (2.3)

59 (2.0)

0.734

 Bradycardia (< 50/min)

219 (6.4)

27 (5.5)

192 (6.6)

0.381

 Re-infarction

71 (2.1)

11 (2.3)

60 (2.1)

0.774

 Ventricular tachycardia

59 (1.7)

9 (1.8)

50 (1.7)

0.835

 Ventricular fibrillation

89 (2.6)

15 (3.1)

74 (2.5)

0.491

 Cardiogenic shock

70 (2.1)

8 (1.6)

62 (2.1)

0.487

  1. aPercutaneous transluminal coronary angioplasty.
  2. bLeft ventricular ejection fraction.
  3. cIncludes pulmonary oedema, re-infarction, bradycardia, ventricular tachycardia and cardiogenic shock.
  4. Number and percentage of patients (p-values refer to tests of differences between patients with low versus high education).
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International Journal for Equity in Health

ISSN: 1475-9276

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