Prehospital Predictors for Urgent Neurosurgical Intervention in the Head Trauma Patient: A 2-Year Multicenter Retrospective Study

Table 4

Detailed summary of neurological abnormalities in relation to patient classification.

Signs	C1 (N = 41)	Others (N = 508)	value
Aphasia	7.3% (N = 3)	2.2% (N = 11)	0.134
Aggression	2.4% (N = 1)	0.6% (N = 3)	0.701
Anisocoria	19.5% (N = 8)	19.7% (N = 100)	1.000
Asymmetry of the nasolabial folds	2.4% (N = 1)	0.4% (N = 2)	0.543
Incomprehensible speech	—	2% (N = 10)	0.764
No verbal response	14.6% (N = 6)	2.8% (N = 14)	<0.001
No response to pain	2.4% (N = 1)	—	0.105
No response to light	12.2% (N = 5)	2.6% (N = 13)	0.004
Patient on sedatives	4.9% (N = 2)	1.4% (N = 7)	0.290
Delirium	4.9% (N = 2)	0.4% (N = 2)	0.022
Patient on drugs	—	4.3% (N = 22)	0.344
Paresis	17.1% (N = 7)	8.1% (N = 41)	0.094
Amnesia	—	7.3% (N = 37)	0.143
Positive Babinski sign	9.8% (N = 4)	3% (N = 15)	0.065
Axial compression	—	1.4% (N = 7)	0.974
Decreased muscle tone in the limbs	2.4% (N = 1)	—	0.105
Lowered corner of the mouth	4.9% (N = 2)	0.8% (N = 4)	0.100
Nystagmus	4.9% (N = 2)	3.9% (N = 20)	1.000
Reduced response to light	—	1.8% (N = 9)	0.826
Dementia	—	2% (N = 10)	0.764
Agitation	7.3% (N = 3)	2.4% (N = 12)	0.169
Reduced response	2.4% (N = 1)	2.4% (N = 12)	1.000
Paralysis of the lower limbs	2.4% (N = 1)	—	0.105
Spasms	2.4% (N = 1)	—	0.105
Positive Romberg test	—	6.3% (N = 32)	0.190
Sleepiness	9.8% (N = 4)	2.8% (N = 14)	0.049
Confusion	14.6% (N = 6)	13% (N = 66)	0.953
Psychomotor retardation	4.9% (N = 2)	2% (N = 10)	0.503
Neck stiffness	4.9% (N = 2)	0.4% (N = 2)	0.022

The bold values indicate significance.