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Pre-CTA, n = 167 (%) Post-CTA, n = 207 (%) P Value Characteristics Age, median (IQR) 76 (63, 85) 71 (57, 82) .066 Female sex 88 (53) 113 (55) .755 White race 151 (90) 88 (84) .127 Risk factors Atrial fibrillation 54 (32) 50 (24) .083 Coronary artery disease 42 (25) 28 (14) .005 Diabetes mellitus 26 (16) 46 (22) .115 Dyslipidemia 43 (26) 53 (26) 1.000 Heart failure 12 (7) 15 (7) 1.000 Hypertension 85 (51) 100 (48) .677 Previous stroke or TIA 41 (25) 59 (29) .413 Smoking 8 (5) 18 (9) .101 ↵a Count and percent are reported. For age, median and IQR are reported.
- Table 2:
Clinical, imaging, and transfer variables pre- and post-CTA protocol implementationa
Pre-CTA, n = 167 (%) Post-CTA, n = 207 (%) P Value NIHSS score at SH (IQR) 12 (8–19) 12 (8–18) .678 Late window 14 (8) 42 (20) .001 Off hours (7 PM–7 AM) 53 (32) 61 (30) .653 CTA performed at SH 25 (15)b 144 (70) < .001 LVO identified at SH 13 (8) 81 (39) < .001 tPA administered at SH 93 (60) 96 (68) .185 Transferred to hub hospital 46 (26) 73 (35) .119 Retained at SH 74 (44) 95 (46) .834 Retained at SH, of those in early window 65 (43) 81 (49) .260 Pre-CTA, n = 46 (%) Post-CTA, n = 73 (%) P Value Late window 3 (7) 25 (34) < .001 Overall LVO transferred to hub 31 (67) 68 (93) .001 Repeat imaging, overall 43 (94) 48 (66) < .001 Repeat imaging, early window 39 (91) 24 (50) < .001 Direct-to-EVT protocol utilization 0 20 (27) < .001 Received EVT, overall 10 (22) 34 (47) .011 Received EVT, early window 9 (21) 25 (52) .004 ↵a Repeat hub imaging, direct-to-EVT protocol utilization, and EVT for patients transferred to our institution from an SH with NIHSS scores ≥6 points for consideration of EVT.
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