Higher Frequency of Undetected Acute Coronary Syndrome in Elderly Patients with Chest Pain Who Visited the Emergency Department: A Large-Cohort Retrospective Study
Table 1
General characteristics of patients with chest pain at the index visit.
Adult ()
Elderly ()
value
Age (years)
<0.001
Sex
<0.001
Male
4,403 (51.4)
1,266 (45.9)
Female
4,160 (48.6)
1,494 (54.1)
Revisit group
<0.001
Single visit
7,854 (91.7)
2,429 (88.0)
Revisit
709 (8.3)
331 (12.0)
Mental status
0.002
Alert
8,538 (99.7)
2,740 (99.3)
Verbal response
22 (0.3)
14 (0.5)
Painful response
2 (0.0)
5 (0.2)
Unresponsive
1 (0.0)
1 (0.0)
Vital sign
Mean ABP
0.132
Pulse rate
0.029
Respiratory rate
0.244
Body temperature (°C)
0.042
KTAS
<0.001
Level 1
14 (0.2)
19 (0.7)
Level 2
2,621 (30.6)
1,373 (49.8)
Level 3
3,866 (45.1)
1,000 (36.2)
Level 4
1,945 (22.7)
350 (12.7)
Level 5
117 (1.4)
18 (0.6)
Diagnosis
<0.001
Acute coronary syndrome
1,376 (16.1)
762 (27.6)
Non-ACS
7,187 (83.9)
1,998 (72.4)
Acute gastritis
1,720 (20.1)
246 (8.9)
Chest pain, unspecified
1,705 (19.9)
548 (19.9)
Others
3,762 (43.9)
1,204 (43.6)
Disposition
<0.001
Discharged
6,664 (77.8)
1,520 (55.1)
Symptoms improved
6,205 (72.5)
1,370 (49.6)
Against medical advice
440 (5.1)
145 (5.3)
Other reasons
19 (0.2)
5 (0.2)
Admission
1,897 (22.2)
1,228 (44.4)
General ward
1,162 (13.6)
658 (23.8)
Intensive care unit
667 (7.8)
517 (18.7)
Transfer
67 (0.8)
53 (1.9)
Death
2 (0.0)
12 (0.4)
Length of ED stay (min)
150.2 (147.8–152.6)
194.0 (187.6–200.6)
<0.001
Values are expressed as number (%), , or median (range) as appropriate. Geometric mean with 95% confidence interval. KTAS: Korean Triage and Acuity Scale; MI: myocardial infarction; ACS: acute coronary syndrome; ED: emergency department.
