Table 3 Relationship between the 14 clinical items and clinically important CT finding by Univariate analysis
Clinical items | Important finding positive patients [n = 49 (34.5 %)] | Important finding negative patients [n = 93 (65.5 %)] | Fisher exact test P value |
|---|---|---|---|
(A) NOC | |||
Headaches (n = 64) | 25 | 39 | 0.3754 |
Vomiting (n = 9) | 1 | 8 | 0.1638¶ |
Seizure (0) | 0 | 0 | 1.000 |
Intoxication (n = 31) | 11 | 20 | 1.000 |
Anterograde amnesia (n = 20) | 7 | 13 | 1.000 |
Aged >60 (n = 52) | 30 | 22 | <0.0001*,¶ |
Visible trauma above the clavicle (n = 105) | 40 | 65 | 0.1608¶ |
(B) CCHR | |||
GCS < 15 at 2 h post injury (n = 25) | 15 | 10 | 0.0050*,¶ |
Suspect open or depressed skull fracture (n = 46) | 20 | 26 | 0.1343¶ |
Any sign of basal skull fracture (n = 19) | 10 | 9 | 0.1174¶ |
Vomiting >2 times (n = 4) | 1 | 3 | 1.000 |
Aged ≥65 (n = 43) | 26 | 17 | 0.0001*,¶ |
Retrograde amnesia (n = 15) | 6 | 9 | 0.7748 |
Dangerous mechanism (n = 73) | 26 | 47 | 0.8603 |