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Table 1 Baseline characteristics of the patients and the number of died during follow-up

From: Interatrial block in prediction of all-cause mortality after first-ever ischemic stroke

Variable All patients n = 235 No IAB n = 138 Partial IAB n = 56 Advanced IAB n = 41 P value Intermediate risk patients n = 47 High-risk patients n = 188 P value Patients without AF
n = 186
1 2 3 4 2–3-4 5 6 5–6 7
Age, years, median (IQR) 74 (65–81) 71 (61–80) 76 (69–82) 79 (74–86) 0.001 74 (57–80) 74 (67–81) 0.229 74 (62–80)
Female gender, n (%) 95 (40) 52 (38) 27 (48) 16 (39) 0.391 21 (45) 74 (39) 0.511 75 (40)
Diabetes, n (%) 38 (16) 28 (17) 7 (13) 6 (15) 0.603 0 38 (20) < 0.001 27 (15)
Vascular diseases, n (%) 101 (43) 54 (39) 29 (52) 18 (44) 0.270 0 101 (54) < 0.001 80 (43)
Hypertension, n (%) 139 (59) 79 (57) 38 (68) 22 (53) 0.290 0 139 (74) < 0.001 107 (58)
Cardiac failure, n (%) 14 (6) 9 (7) 3 (5) 2 (5) 0.905 0 14 (7) 0.341 7 (4)
History of non-permanent AF before stroke onset, n (%) 49 (21) 27 (20) 15 (27) 7 (17) 0.430 0 49 (26) < 0.001 NA
NIHS scale, median (IQR) 3 (2–6) 3 (2–6) 4 (2–11) 4 (2–8) 0.161 3 (1–5) 3 (2–7) 0.173 3 (2–6)
Oral anticoagulants, n (%) 43 (18) 26 (19) 14 (25) 3 (7) 0.098 3 (6) 40 (21) 0.019 22 (12)
Advanced IAB, n (%) 41 (17) 0 0 NA NA 11 (23) 30 (16) 0.281 34 (18)
Died during follow-up, n (%) 126 (54) 64 (46) 32 (57) 30 (73) 0.009 22 (47) 104 (55) 0.329 96 (52)