Table 2.

Baseline characteristics of patients with AMI with and without comorbid DM during the outbreak period.

Characteristics	Non-DM (n = 17,954)	DM (n = 4,071)	p-value
Age (years)
20–29	49 [0.3%]	3 [0.1%]	0.018
30–39	368 [2.0%]	42 [1.0%]	< 0.001
40–49	1,716 [9.6%]	282 [6.9%]	< 0.001
50–59	3,975 [22.1%]	824 [20.2%]	0.008
60–69	4,942 [27.5%]	1,198 [29.4%]	0.014
70–79	4,117 [22.9%]	1,115 [27.4%]	< 0.001
80–89	2,537 [14.1%]	580 [14.2%]	0.847
90	250 [1.4%]	27 [0.7%]	< 0.001
Sex			0.002
Male [n (%)]	13,159 [73.3%]	2,888 [70.9%]
Female [n (%)]	4,795 [26.7%]	1,183 [29.1%]
Procedure
PCI [n (%)]	17,932 [99.9%]	4,065 [99.9%]	0.688
Bypass surgery [n (%)]	58 [0.32%]	20 [0.49%]	0.103
Vital sign
Systolic BP (mmHg) [mean (SD)]	136 (± 37)	135 (± 38)	0.601
Diastolic BP (mmHg) [mean (SD)]	80 (± 22)	79 (± 23)	0.007
Pulse rate (beats/min) [mean (SD)]	79 (± 23)	82 (± 24)	< 0.001
Respiratory rate (beats/min) [mean (SD)]	19.1 (± 4.2)	19.5 (± 4.3)	< 0.001
Temperature (°C) [mean (SD)]	36.1 (± 3.6)	36.1 (± 3.5)	0.865
Symptom onset to ED visit (hours) [median (IQR)]	4.25 (1.31–24.0)	4.90 (1.48–25.9)	< 0.001
Duration of ED stay (hours) [median (IQR)]	3.78 (1.75–7.95)	4.05 (1.93–8.33)	0.002
Distribution after emergency care (%)
Death	44 [0.25%]	6 [0.15%]	0.237
Transfer d/t medical resource shortage	14 [0.08%]	0 [0%]	–
Admission to GW	7,437 [41.4%]	1,599 [39.3%]	0.012
Admission to ICU [n (%)]	10,260 [57.1%]	2,453 [60.3%]	< 0.001
Hospital stays (days) [median (IQR)]	3.46 (1.95–5.66)	4.01 (2.68–6.93)	< 0.001

AMI, acute myocardian infection; PCI, percutaneous coronary intervention; ICU, intensive care unit; BP, blood pressure, SD, standard deviation; IQR, interquartile range; ED, emergency department; GW, general ward; DM, diabetes mellitus.