Table 2. Association between TARH and participants’ clinical characteristics and mortality – Salvador, Bahia, Brazil, 2021.
| Clinical variables | Sample n (%) | Death (sample = 299) | ||
|---|---|---|---|---|
| Yes (%) | No (%) | p value* | ||
| Time of arrival at the site | ||||
| ≤4.5 hours | 176 (58.9) | 42 (23.9) | 134 (76.1) | 0.032 |
| >4.5 hours | 123 (41.1) | 17 (13.8) | 106 (86.2) | |
| Systemic Arterial Hypertension | ||||
| Yes | 234 (78.3) | 47 (20.1) | 187 (79.9) | 0.771 |
| No | 65 (21.7) | 12 (18.5) | 53 (81.5) | |
| Dyslipidemia n = 298*** | ||||
| Yes | 94 (31.5) | 14 (14.9) | 80 (85.11) | 0.176 |
| No | 204 (68.5) | 44 (21.6) | 160 (78.4) | |
| Diabetes mellitus n = 294*** | ||||
| Yes | 85 (28.9) | 19 (22.4) | 66 (77.6) | 0.471 |
| No | 209 (71.1) | 39 (18.7) | 170 (81.3) | |
| Atrial fibrillation n = 284*** | ||||
| Yes | 30 (10.6) | 13 (43.3) | 17 (56.7) | 0.000 |
| No | 254 (89.4) | 40 (15.8) | 214 (82.2) | |
| Previous stroke n = 298*** | ||||
| Yes | 99 (33.2) | 26 (26.3) | 73 (73.7) | 0.048 |
| No | 199 (66.8) | 33 (16.6) | 166 (83.4) | |
| Previous AMI n = 297*** | ||||
| Yes | 34 (11.4) | 7 (20.6) | 27 (79.4) | 0.911 |
| No | 263 (88.6) | 52 (19.8) | 211 (80.2) | |
| Smoking | ||||
| Never smoked | 179 (59.9) | 35 (19.6) | 144 (80.4) | 0.729 |
| Smoker | 38 (12.7) | 6 (15.8) | 32 (84.2) | |
| Former smoker | 82 (27.4) | 18 (22.0) | 64 (78.0) | |
| Prior Rankin n = 296*** | ||||
| 0–2 (Asymptomatic to mild deficiency) | 271 (91.6) | 44 (16.2) | 227 (83.8) | <0.001 |
| 3–5 (Moderate to severe disability) | 25 (8.4) | 12 (48.0) | 13 (52.0) | |
| NIHSS** n = 248*** | ||||
| ≤5 | 63 (25.4) | 1 (1.6) | 62 (98.4) | <0.001 |
| 6 to 13 | 109 (44.0) | 11 (10.1) | 98 (89.9) | |
| ≥14 | 76 (30.6) | 30 (39.5) | 46 (60.5) | |
| Venous thrombolysis | ||||
| Yes | 78 (26.1) | 15 (19.2) | 63 (80.8) | 0.897 |
| No | 221 (73.9) | 44 (19.9) | 177 (80.1) | |
| Admission at UAVC | ||||
| Yes | 213 (71.2) | 33 (15.5) | 180 (84.5) | 0.023 |
| No | 86 (28.8) | 26 (30.2) | 60 (69.8) | |
| First health service sought | ||||
| Site of study | 46 (15.4) | 7 (15.2) | 39 (84.8) | 0.312 |
| Mobile Emergency Care Service (SAMU) | 70 (23.4) | 18 (25.7) | 52 (74.3) | |
| Other service | 183 (61.2) | 34 (18.6) | 149 (81.4) | |
*p value of the dichotomous variables obtained by Pearson’s chi-square, except for the variable NIHSS, first health service sought and smoking, whose test was Fisher’s Exact. **NIHSS = National Institute of Health Stroke Scale. ***Reduced sample for this variable due to lack of knowledge about the clinical condition by the participant and lack of information in the medical record.