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. 2022 May 2;28(8):1159–1164. doi: 10.1016/j.jiac.2022.04.022

Table 1.

Demographic and clinical characteristics.

Variables, n (%) Total (n = 562) Older adults
(n = 155)
Younger adults (n = 407) p value
Male 166 (29.5) 53 (34.2) 113 (27.8) 0.135
Age, Median (IQR) 52 (28–67) 75 (69–79) 38 (26–56) <0.001
Vaccine type
 Pfizer/BioNTech 264 (47.0) 82 (52.9) 182(44.7)
 AstraZeneca 225(40.0) 71 (45.9) 154 (37.8) <0.001
 Moderna 73 (13.0) 2 (1.3) 71 (17.4)
 Vaccine dose
  First dose 382 (68.0) 99 (63.9) 283 (69.5) 0.199
 Second dose 180 (32.0) 56 (36.1) 124 (30.5)
Initial BT ≥ 37.5 °C 466 (82.9) 117 (75.5) 349 (85.7) 0.004
EMS visit to the ED 144 (25.6) 68 (43.9) 76 (18.7) <0.001
Time of ED arrival
 00:00–06:00 130 (23.1) 48 (31.0) 82 (20.1) 0.036
 06:00–12:00 161 (28.6) 44 (28.4) 117 (28.7)
 12:00–18:00 189 (33.6) 42 (27.1) 147 (36.1)
 18:00–00:00 82 (14.6) 21 (13.5) 61 (15.0)
Comorbidities
 Hypertension 71 (12.6) 39 (25.2) 32 (7.9) <0.001
 Cardiovascular disease 42 (7.5) 29 (18.7) 13 (3.2) <0.001
 Diabetes mellitus 37 (6.6) 24 (15.5) 13 (3.2) <0.001
 Malignancy 24 (4.3) 16 (10.3) 8 (2.0) <0.001
 Respiratory disease 10 (1.8) 7 (4.5) 3 (0.7) 0.006
 Cerebrovascular disease 7 (1.2) 5 (3.2) 2 (0.5) 0.019

Values are presented as median (IQR) or numbers (%). Pfizer/BioNTech; BNT162b2, AstraZeneca; AZD1222, Moderna; mRNA-1273. BT; body temperature, ED; emergency department, EMS; emergency medical services.