Table 2.
Comparison between the deterioration and control groups of patients discharged from the emergency department (ED) of a Japanese general acute‐care hospital
| Deterioration group (n = 170) | Control group (n = 170) | P‐value | |
|---|---|---|---|
| Age, years (range) | 63 ± 20 (15–97) | 63 ± 20 (15–96) | 0.999 |
| Gender, male | 94 (55) | 94 (55) | 1.000 |
| Means of arrival to the ED | |||
| Walk‐in | 131 (77) | 131 (77) | 1.000 |
| Ambulance | 39 (23) | 39 (23) | 1.000 |
| Recording of each vital sign | |||
| Blood pressure | 154 (91) | 144 (85) | 0.099 |
| Heart rate | 150 (88) | 144 (85) | 0.341 |
| Respiratory rate | 50 (29) | 47 (28) | 0.719 |
| SpO2 | 102 (60) | 105 (62) | 0.739 |
| Body temperature | 160 (94) | 154 (91) | 0.221 |
| Glasgow Coma Scale | 108 (64) | 95 (56) | 0.151 |
| Recorded value of vital signs | |||
| Systolic blood pressure, mmHg | 132 ± 28 | 135 ± 26 | 0.238 |
| Diastolic blood pressure, mmHg | 76 ± 18 | 77 ± 15 | 0.815 |
| Heart rate, b.p.m. | 87 ± 20 | 85 ± 19 | 0.260 |
| Respiratory rate, breaths/min | 21 ± 5 | 18 ± 5 | 0.002 |
| SpO2, % | 97 ± 3 | 96 ± 8 | 0.770 |
| Body temperature, °C | 37.0 ± 1.0 | 36.8 ± 1.0 | 0.169 |
| Glasgow Coma Scale | 14.7 ± 1.1 | 14.9 ± 0.3 | 0.079 |
| Examinations | |||
| Complete blood count | 106 (62) | 80 (47) | 0.005 |
| Biochemical examination | 105 (62) | 79 (47) | 0.005 |
| Coagulation examination | 71 (42) | 55 (32) | 0.072 |
| Radiography | 93 (55) | 69 (41) | 0.009 |
| CT | 32 (19) | 39 (23) | 0.350 |
| Ultrasonography | 13 (8) | 11 (6) | 0.672 |
| Electrocardiography | 24 (14) | 36 (21) | 0.088 |
| Laboratory data | |||
| WBC, cells/μL | 8,976 ± 4,187 | 7,300 ± 2,931 | <0.001 |
| RBC, ×106 cells/μL | 410 ± 83 | 424 ± 66 | 0.213 |
| Hb, mg/dL | 12.8 ± 2.2 | 13.0 ± 2.0 | 0.533 |
| Hct, % | 38 ± 7 | 39 ± 6 | 0.278 |
| PLT, ×104 cells/μL | 19.7 ± 7.8 | 19.1 ± 5.6 | 0.552 |
| CRP, mg/dL | 2.2 ± 3.8 | 1.2 ± 2.6 | 0.001 |
| Category of discharge diagnosis | |||
| Respiratory disease | 19 | 16 | 0.174 |
| Cardiovascular disease | 3 | 10 | |
| Gastrointestinal disease | 58 | 45 | |
| Neurological disease | 25 | 24 | |
| Other | 65 | 75 | |
CRP, C‐reactive protein; CT, computed tomography; Hb, hemoglobin; Hct, hematocrit; PLT, platelets; RBC, red blood cells; SpO2, pulse oximetry oxygen saturation; WBC, white blood cells.
Data are presented as n (%) or mean ± standard deviation.