A predictive analytics model for differentiating between transient ischemic attacks (TIA) and its mimics

Table 2 Diagnostic discharge predictors – RFE feature selection

	Coefficient (β_i)	SE	Odds Ratio	P-value
Discharge Diagnosis: TIA mimics
Altered mental Status (0,1)^a	0.551	0.420	1.734	0.190
Hx of AF, PAF, A. Flutter (0,1)	−1.033	0.505	0.356	0.041
Hx of HTN (on Medication) (0,1)	1.395	0.384	4.034	0.000
Hx of Hyperlipidemia (on Medication) (0,1)	0.675	0.404	1.964	0.095
Hx of Seizure (0,1)	−1.657	0.811	0.191	0.041
Language disturbance-Expressive Aphasia (0,1)	−0.220	0.405	0.802	0.587
Numbness (Leg, Arm, or facial) (0,1)	0.109	0.356	1.115	0.759
Pre-TIA OAC (0,1) - Coumadin, Pradaxa, Eliquis (apixaban), Xarelto	0.618	0.629	1.855	0.326
Tobacco	0.766	0.406	2.152	0.059
Weakness (general, unilateral arm or leg) (0,1)	−0.840	0.328	0.432	0.010
Hx of Carotid Disease	−0.202	0.608	0.817	0.740
Intercept	−0.637	0.562	0.529	0.257
Discharge Diagnosis: TIA
Altered mental Status (0,1)^a	−1.494	0.698	0.225	0.032
Hx of AF, PAF, A. Flutter (0,1)	0.036	0.575	1.037	0.950
Hx of HTN (on Medication) (0,1)	1.509	0.540	4.522	0.005
Hx of Hyperlipidemia (on Medication) (0,1)	−0.726	0.483	0.484	0.133
Hx of Seizure (0,1)	−0.811	0.843	0.444	0.335
Language disturbance-Expressive Aphasia (0,1)	0.330	0.503	1.391	0.511
Numbness (Leg, Arm, or facial) (0,1)	−0.784	0.442	0.456	0.076
Pre-TIA OAC (0,1) - Coumadin, Pradaxa, Eliquis (apixaban), Xarelto	−0.072	0.771	0.931	0.926
Tobacco	−0.498	0.588	0.608	0.397
Weakness (general, unilateral arm or leg) (0,1)	0.443	0.442	1.557	0.316
Hx of Carotid Disease	1.407	0.625	4.084	0.024
Intercept	−0.952	0.711	0.386	0.180

^a Altered Mental Status was assessed based on level of consciousness (LOC), LOC Questions, and LOC Commands as defined in the National Institutes of Health Stroke Scale (NIHSS)

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