Table 2 Incidence rate of recurrent ischemic stroke per 100 person-years
Demographic variables | Numbers of events within 1 month | Incidence rate within 1 month (95% CI) | p-value | Numbers of events within 3 months | Incidence rate within 3 months (95% CI) | p-value | Numbers of events within 12 months | Incidence rate within 12 months (95% CI) | p-value |
|---|---|---|---|---|---|---|---|---|---|
Overall | 10 | 34.0 (18.3–63.1) | NA | 21 | 24.3 (15.9–37.3) | NA | 25 | 7.7 (5.2–11.3) | NA |
Age group | Â | Â | 0.106 | Â | Â | 0.768 | Â | Â | 0.288 |
 <60 years | 6 | 59.5 (26.7-132.4) |  | 10 | 34.0 (18.3–63.2) |  | 11 | 10.3 (5.7–18.5) |  |
 ≥60 years | 4 | 20.7 (7.8–55.0) |  | 11 | 19.3 (10.7–34.9) |  | 14 | 6.4 (3.8–10.8) |  |
Sex | Â | Â | 0.568 | Â | Â | 0.333 | Â | Â | 0.401 |
 Female | 6 | 39.2 (17.6–87.3) |  | 9 | 19.8 (10.3–38.1) |  | 11 | 6.5 (3.6–11.7) |  |
 Male | 4 | 28.3 (10.6–75.3) |  | 12 | 29.4 (16.7–51.7) |  | 14 | 9.0 (5.3–15.1) |  |
TOAST classification | Â | Â | 0.792 | Â | Â | 0.231 | Â | Â | 0.01 |
 LAA | 2 | 33.6 (8.4-134.3) |  | 9 | 53.3 (27.7-102.4) |  | 10 | 17.5 (9.4–32.5) |  |
 CE | 0 | 0 |  | 0 | 0 |  | 0 | 0 |  |
 SVO | 7 | 46.7 (22.3–97.9) |  | 10 | 22.7 (12.2–42.1) |  | 12 | 7.0 (4.0-12.3) |  |
 OD | 1 | 115.5 (16.3–820.0) |  | 1 | 39.9 (5.6-282.9) |  | 2 | 26.0 (6.5-104.2) |  |
 UD | 0 | 0 |  | 1 | 16.6 (2.3-118.1) |  | 1 | 4.2 (0.6–29.5) |  |
OCSP classification | Â | Â | 0.864 | Â | Â | 0.514 | Â | Â | 0.632 |
 TACI | 0 | 0 |  | 0 | 0 |  | 0 | 0 |  |
 PACI | 2 | 20.4 (5.1–81.6) |  | 8 | 28.1 (14.1–56.2) |  | 10 | 9.6 (5.1–17.8) |  |
 LACI | 6 | 37.5 (16.8–83.4) |  | 10 | 21.2 (11.4–39.4) |  | 12 | 6.6 (3.8–11.6) |  |
 POCI | 2 | 76.1 (19.0-304.4) |  | 3 | 38.8 (12.5-120.4) |  | 3 | 10.4 (3.3–32.1) |  |
NIHSS score on admission | Â | Â | 0.749 | Â | Â | 0.043 | Â | Â | 0.29 |
 0–5 | 9 | 46.4 (24.1–89.2) |  | 16 | 28.3 (17.3–46.1) |  | 19 | 8.7 (5.6–13.7) |  |
 >5 | 1 | 9.9 (1.4–70.6) |  | 5 | 16.9 (7.0-40.5) |  | 6 | 5.5 (2.5–12.3) |  |
Hypertension | Â | Â | 0.653 | Â | Â | 0.841 | Â | Â | 0.603 |
 Yes | 6 | 28.1 (12.6–62.6) |  | 14 | 22.4 (13.3–37.8) |  | 17 | 7.1 (4.4–11.4) |  |
 No | 4 | 49.3 (18.5-131.5) |  | 7 | 29.5 (14.1–61.9) |  | 8 | 9.2 (4.6–18.3) |  |
Diabetes mellitus | Â | Â | 0.677 | Â | Â | 0.446 | Â | Â | 0.894 |
 Yes | 2 | 19.5 (4.9–77.8) |  | 7 | 23.3 (11.1–48.9) |  | 9 | 8.0 (4.2–15.4) |  |
 No | 8 | 41.7 (20.9–83.4) |  | 14 | 24.9 (14.7–42.0) |  | 16 | 7.5 (4.6–12.2) |  |
Dyslipidemia | Â | Â | 0.025 | Â | Â | 0.295 | Â | Â | 0.03 |
 Yes | 1 | 6.9 (1.0-49.1) |  | 5 | 11.7 (4.9–28.0) |  | 7 | 4.2 (2.0-8.9) |  |
 No | 9 | 60.0 (31.2-115.4) |  | 16 | 36.9 (22.6–60.2) |  | 18 | 11.1 (7.0-17.7) |  |
Obesity | Â | Â | 0.441 | Â | Â | 0.926 | Â | Â | 0.818 |
 Yes | 3 | 30.0 (9.7–93.0) |  | 5 | 17.0 (7.1–40.8) |  | 8 | 7.0 (3.5–14.1) |  |
 No | 7 | 36.0 (17.2–75.5) |  | 16 | 28.2 (17.2–45.9) |  | 17 | 8.0 (5.0-12.8) |  |
Smoking | Â | Â | 0.677 | Â | Â | 0.201 | Â | Â | 0.036 |
 Yes | 2 | 29.7 (7.4-118.6) |  | 9 | 46.4 (24.2–89.3) |  | 10 | 13.9 (7.5–25.9) |  |
 No | 8 | 35.2 (17.6–70.4) |  | 12 | 17.9 (10.2–31.6) |  | 15 | 5.9 (3.6–9.8) |  |
Alcohol | Â | Â | 0.979 | Â | Â | 0.274 | Â | Â | 0.162 |
 Yes | 3 | 90.2 (29.1-279.7) |  | 4 | 41.7 (15.7-111.2) |  | 5 | 13.7 (5.7–32.8) |  |
 No | 7 | 26.8 (12.8–56.2) |  | 17 | 22.2 (13.8–35.7) |  | 20 | 6.9 (4.5–10.7) |  |
NIHSS score at discharge | Â | Â | 0.509 | Â | Â | 0.04 | Â | Â | 0.3 |
 0–5 | 10 | 40.3 (21.7–74.8) |  | 19 | 26.1 (16.7–41.0) |  | 23 | 8.3 (5.5–12.4) |  |
 >5 | 0 | 0 |  | 2 | 14.7 (3.7–58.9) |  | 2 | 4.12 (1.0-16.5) |  |
mRS at discharge | Â | Â | 0.858 | Â | Â | 0.984 | Â | Â | 0.205 |
 0–2 | 7 | 30.4 (14.5–63.9) |  | 13 | 19.2 (11.2–33.1) |  | 17 | 6.6 (4.1–10.6) |  |
 3–6 | 3 | 46.4 (15.0-144.0) |  | 8 | 42.7 (21.4–85.4) |  | 8 | 11.8 (5.9–23.5) |  |