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Variables Hajj (n=28) Non-Hajj (n=41) P-value n (%) Age Mean±SD 64.2±10.5 63.3±15.5 .695 Median (IQR) 64 (55–72.5) 65 (55–75) Gender Male 19 (67.9) 24 (58.5) .433 Female 9 (32.1) 17 (41.5) Nationality Saudi 5 (17.9) 30 (73.2) .000 Non-Saudi 23 (82.1) 11 (26.8) Risk factor None 1 (3.6) 0 (0) .223 Diabetes mellitus 11 (39.3) 25 (61) .077 Hypertension 19 (67.9) 35 (85.4) .083 IHD 6 (21.4) 16 (39) .061 CHF 3 (10.7) 8 (19.5) .327 Atrial fibrillation 8 (28.6) 5 (12.2) .088 Previous stroke 12 (42.9) 9 (22) .064 Hyper-lipidemia 11 (39.3) 10 (24.4) .187 Previous TIA 1 (3.6) 5 (12.2) .212 Smoking 1 (3.6) 2 (4.9) .794 Ex-smoking 0 (0) 2 (4.9) .236 Prosthetic mitral valve 0 (0) 1 (2.4) .405 Ischemic etiology Cardio-embolic 11 (39.3) 17 (41.5) .533 Large artery disease 5 (17.9) 11 (26.8) Small artery disease 5 (17.9) 3 (7.3) lacunar 7 (25) 10 (24.4) Unknown Variable Hajj (n=28) Non-Hajj (n=41) P-value Stroke onset to hospital arrival time (hours) Mean±SD 2.2±.9 1.9±.9 Median (IQR) 2 (2–3) 2 (1–3) .218 Door to CT time (minutes) Mean±SD 8.6±3.1 13.7±13 .017 Median (IQR) 8 (7–10) 10 (8–14.5) DTN time (minutes) Mean±SD 27.5±13.7 57.8±32.5 .000 Median (IQR) 26.5 (15–35.7) 60 (23.5–79.5) Endovascular therapy performed 10 (35.7%) 8 (19.5%) .132 NIHSS at admission Mean±SD 13.1±5.3 12.9±6.1 .736 Median (IQR) 14 (8.2–17) 12 (8.5–17.5) HT - Hemorrhagic Transformation, TPA - Tissue plasminogen activator, NIHSS -National Institutes of Health Stroke Scale, IQR - Interquartile Range
Variables Hajj (n=28) n Non-Hajj (n=41) P-value n (%) Hemorrhagic transformation (HT) 7 (25) 14 (34.1) .417 Time of HT post TPA (hours) Mean±SD 19.8±9.9 31.6±20 .204 Median (IQR) 16 (12–30) 28 (15.5–40.5) Clinical worsening after HT 2 (7.1) 5 (12.2) .306 Drop in NIHSS 4 points and more after HT 2 (7.1) 3 (7.3) .717 HT Type Hemorrhagic infarction 2 (7.1) 7 (17.1) .481 Parenchymal hematoma 5 (17.9) 7 (17.1) Systemic hemorrhage post TPA 0 (0) 1 (2.4) .405 Recurrent stroke 0 (0) 5 (12.2) .055 Developed brain herniation 5 (17.9) 6 (14.6) .720 Decompressive craniectomy 1 (3.6) 2 (4.9) .794 NIHSS at discharge Mean±SD 7.3±5.2 6.6±6.7 .303 Median (IQR) 5 (3–12) 5 (1–8.2) Length of stay in hospital Mean±SD 7.7±7.4 17±20 .007 Median (IQR) 5 (3–10.2) 10 (5–23) HT - Hemorrhagic Transformation, TPA - Tissue plasminogen activator, NIHSS -National Institutes of Health Stroke Scale, IQR - Interquartile Range