Table 1 Descriptive statistics of emergency hospital visits for heart disease to Landspitali University Hospital, according to primary discharge diagnosis, January 1st, 2006 to December 31st, 2017

Heart diseases (I20-I25, I44-I50)

29,169 (100)

6.69 (3.12)

0–22

4

6

9

13,664

 Females

11,694 (40.1)

2.93 (1.68)

0–11

2

3

4

5718

 Males

17,475 (59.9)

4.13 (2.23)

0–16

2

4

5

7946

 Older (≥71 yr)

14,656 (50.2)

3.55 (1.99)

0–17

2

3

5

6556

 Younger (< 71 yr)

14,513 (49.8)

3.51 (1.92)

0–13

2

3

5

7561

 Older females

7088

2.08 (1.24)

0–10

1

2

3

3256

 Younger females

4606

1.67 (0.91)

0–7

1

1

2

2658

 Older males

7568

2.18 (1.26)

0–9

1

2

3

3320

 Younger males

9907

2.61 (1.49)

0–10

1

2

3

4903

Ischemic heart diseases (I20-I25)

9075 (31.1)

2.44 (1.40)

0–10

1

2

3

5896

Cardiac arrhythmias and heart failure (I44-I50)

20,094 (68.9)

4.71 (2.53)

0–18

3

4

6

9555

Atrial fibrillation and flutter (I48)

9536 (32.7)

2.57 (1.53)

0–11

1

2

3

4426

 Females

3704

1.56 (0.82)

0–6

1

2

3

1849

 Males

5832

1.89 (1.10)

0–10

1

2

2

2577

 Older (≥71 yr)

4227

1.65 (0.91)

0–8

1

1

2

2372

 Younger (< 71 yr)

5309

1.78 (1.00)

0–7

1

1

2

2214

 Older females

2315

1.33 (0.61)

0–5

1

1

2

1276

 Younger females

1389

1.17 (0.43)

0–4

1

1

1

644

 Older males

1912

1.29 (0.57)

0–5

1

1

1

1096

 Younger males

3920

1.56 (0.83)

0–7

1

1

2

1570