Factors Affecting Unscheduled Return Visits to the Emergency Department among Minor Head Injury Patients
Table 2
Characteristics of the first visit and revisit of returning minor head injury patients.
First visit
Revisit
value
ED length of stay (hr)
3.9 ± 6.6
8.4 ± 17.3
0.06
ED Physician seniority (yr)
4.0 ± 2.3
4.2 ± 2.8
0.77
Triage level [number (%)]
Level 1
0 (0)
0 (0)
Level 2
9 (16)
9 (16)
Level 3
40 (70)
41 (72)
Level 4
7 (12)
4 (7)
Level 5
1 (2)
3 (5)
Vital Signs
Body temperature (°C)
36.5 ± 0.6
36.5 ± 0.6
0.96
Pulse rate (times/min)
94 ± 19
86 ± 19
<0.00
Respiratory rate (times/min)
19 ± 2
19 ± 2
0.84
Mean arterial pressure (mmHg)
100 ± 37
92 ± 33
0.00
GCS <15 [number (%)]
3 (5)
3 (5)
1
Symptoms [number (%)]
Vomiting
12 (21)
19 (34)
0.07
Subcutaneous hematoma
5 (9)
3 (6)
0.16
Examination [number (%)]
Blood test
10 (18)
14 (25)
Radiography
33 (58)
22 (39)
CT
22 (39)
14 (25)
Comparisons were made using paired -test and McNemar test for continuous and categorical variables, respectively. significant in comparison between groups. ED, emergency department; GCS, Glasgow Coma Scale; CT, computed tomography.
