Higher Frequency of Undetected Acute Coronary Syndrome in Elderly Patients with Chest Pain Who Visited the Emergency Department: A Large-Cohort Retrospective Study
Table 3
Comparison of the characteristics of patients with undetected acute coronary syndrome at the index visit.
Adult ()
Elderly ()
value
Age (years)
<0.001
Sex
<0.001
Male
15 (83.3)
7 (43.7)
Female
3 (16.7)
9 (56.3)
Mental status
Alert
18 (100.0)
16 (100.0)
Vital sign
Mean ABP
0.942
Pulse rate
0.157
Respiratory rate
0.970
Body temperature (°C)
0.035
KTAS
0.347
Level 2
10 (55.6)
8 (50.0)
Level 3
5 (27.8)
7 (43.7)
Level 4
3 (16.7)
0 (0.0)
Level 5
0 (0.0)
1 (6.3)
Diagnosis
0.874
Not specific, diagnosed
16 (83.3)
13 (81.2)
Chest pain, unspecified
9 (50.0)
9 (56.2)
Others
6 (33.3)
4 (25.0)
Gastrointestinal diseases
3 (16.7)
3 (18.8)
Acute gastritis
3 (16.7)
2 (12.5)
Gastroenteritis
0 (0.0)
1 (6.3)
Disposition
0.282
Discharged
18 (100.0)
15 (93.7)
Symptoms improved
14 (77.8)
13 (81.2)
Against medical advice
4 (22.2)
2 (12.5)
Admission
0 (0.0)
1 (6.3)
General ward
0 (0.0)
1 (6.3)
Length of ED stay (min)
166.5 (129.3–214.3)
324.3 (203.0–518.2)
<0.001
Values are expressed as number (%), , or median (range) as appropriate. Geometric mean with 95% confidence interval. KTAS: Korean Triage and Acuity Scale; ED: emergency department.