Table 0. Demographics
Characteristic N = 4911
sex
masculino 303 (62%)
femenino 188 (38%)
age 72 (63, 79)
etiology
Gran vaso 53 (11%)
Pequeño vaso 58 (12%)
Cardioembólico 83 (17%)
Otros (disección, FOP, etc) 68 (14%)
Indeterminado por estudios negativos 205 (42%)
Indeterminado por 2 causas 22 (4.5%)
Indeterminado por estudios incompletos 2 (0.4%)
nihss_ingreso 2.0 (0.0, 4.0)
nihss_alta 1.0 (0.0, 3.0)
1 n (%); Median (IQR)

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Characteristic N = 4911
evitability_group
no preventability 68 (19%)
low preventability 268 (75%)
high preventability 19 (5.4%)
Unknown 136
1 n (%)

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Table 1. Evitability factors frequency
Characteristic N = 4911
evitability_ta 171 (35%)
evitability_dlp 109 (23%)
evitability_AF 52 (11%)
evitability_stroke 63 (13%)
evitability_obesidad 113 (24%)
evitability_smoke 84 (17%)
evitability_IAM 45 (9.2%)
1 n (%)

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Table 2. Evitability factors distribution by evitability group
Characteristic no preventability, N = 681 low preventability, N = 2681 high preventability, N = 191 p-value2 q-value3
evitability_total 0.00 (0.00) 1.65 (0.73) 4.37 (0.68) <0.001 <0.001
evitability_ta 0 (0%) 114 (43%) 14 (74%) <0.001 <0.001
evitability_dlp 0 (0%) 82 (31%) 12 (63%) <0.001 <0.001
evitability_AF 0 (0%) 25 (9.3%) 9 (47%) <0.001 <0.001
evitability_stroke 0 (0%) 39 (15%) 13 (68%) <0.001 <0.001
evitability_obesidad 0 (0%) 76 (28%) 9 (47%) <0.001 <0.001
evitability_smoke 0 (0%) 57 (21%) 8 (42%) <0.001 <0.001
evitability_IAM 0 (0%) 24 (9.0%) 10 (53%) <0.001 <0.001
1 Mean (SD); n (%)
2 Kruskal-Wallis rank sum test; Pearson's Chi-squared test; Fisher's exact test
3 False discovery rate correction for multiple testing

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Table 3. Evitability factors by sex
Characteristic masculino, N = 3031 femenino, N = 1881 p-value2 q-value3
evitability_total 1.55 (1.15) 1.36 (1.14) 0.069 0.2
evitability_ta 112 (37%) 59 (31%) 0.2 0.4
evitability_dlp 64 (22%) 45 (26%) 0.3 0.4
evitability_AF 35 (12%) 17 (9.0%) 0.4 0.4
evitability_stroke 35 (12%) 28 (15%) 0.3 0.4
evitability_obesidad 81 (28%) 32 (18%) 0.016 0.13
evitability_smoke 53 (17%) 31 (16%) 0.8 0.8
evitability_IAM 33 (11%) 12 (6.4%) 0.092 0.2
1 Mean (SD); n (%)
2 Wilcoxon rank sum test; Pearson's Chi-squared test
3 False discovery rate correction for multiple testing

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Table 4. Evitability factors by stroke history
Characteristic Sin stroke previo, N = 3571 Con stroke previo, N = 1341 p-value2
evitability_total 1.31 (1.00) 1.89 (1.36) <0.001
evitability_ta 120 (34%) 51 (38%) 0.4
evitability_dlp 89 (26%) 20 (16%) 0.017
evitability_AF 37 (10%) 15 (11%) 0.8
evitability_obesidad 79 (23%) 34 (26%) 0.5
evitability_smoke 62 (17%) 22 (16%) 0.8
evitability_IAM 34 (9.5%) 11 (8.2%) 0.7
1 Mean (SD); n (%)
2 Wilcoxon rank sum test; Pearson's Chi-squared test

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Table 5. Evitability factors in 75yo older
Characteristic FALSE, N = 3081 TRUE, N = 1831 p-value2 q-value3
evitability_total 1.47 (1.10) 1.49 (1.23) 0.8 0.8
evitability_ta 100 (33%) 71 (39%) 0.2 0.2
evitability_dlp 71 (24%) 38 (22%) 0.5 0.6
evitability_AF 20 (6.5%) 32 (17%) <0.001 <0.001
evitability_stroke 29 (9.4%) 34 (19%) 0.003 0.007
evitability_obesidad 82 (27%) 31 (18%) 0.038 0.060
evitability_smoke 71 (23%) 13 (7.1%) <0.001 <0.001
evitability_IAM 18 (5.8%) 27 (15%) <0.001 0.003
1 Mean (SD); n (%)
2 Wilcoxon rank sum test; Pearson's Chi-squared test
3 False discovery rate correction for multiple testing

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Table 6. Evitability factors in 70yo older
Characteristic FALSE, N = 2181 TRUE, N = 2731 p-value2 q-value3
evitability_total 1.49 (1.21) 1.47 (1.10) >0.9 >0.9
evitability_ta 66 (30%) 105 (39%) 0.055 0.087
evitability_dlp 51 (25%) 58 (22%) 0.4 0.5
evitability_AF 11 (5.0%) 41 (15%) <0.001 0.001
evitability_stroke 18 (8.3%) 45 (16%) 0.007 0.014
evitability_obesidad 56 (26%) 57 (22%) 0.4 0.5
evitability_smoke 58 (27%) 26 (9.5%) <0.001 <0.001
evitability_IAM 11 (5.0%) 34 (12%) 0.005 0.013
1 Mean (SD); n (%)
2 Wilcoxon rank sum test; Pearson's Chi-squared test
3 False discovery rate correction for multiple testing

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Table 7. Evitability factors by etiology
Characteristic Gran vaso, N = 531 Pequeño vaso, N = 581 Cardioembólico, N = 831 Otros (disección, FOP, etc), N = 681 Indeterminado por estudios negativos, N = 2051 Indeterminado por 2 causas, N = 221 Indeterminado por estudios incompletos, N = 21 p-value2
evitability_total 1.37 (1.04) 1.45 (1.11) 2.09 (1.37) 1.27 (0.99) 1.38 (1.03) 1.33 (1.63) 0.50 (0.71) 0.006
evitability_ta 24 (45%) 20 (34%) 28 (34%) 17 (25%) 73 (36%) 9 (41%) 0 (0%)
evitability_dlp 16 (31%) 13 (24%) 14 (17%) 13 (22%) 49 (25%) 4 (18%) 0 (0%) 0.6
evitability_AF 0 (0%) 0 (0%) 44 (53%) 1 (1.5%) 0 (0%) 7 (32%) 0 (0%)
evitability_stroke 4 (7.5%) 8 (14%) 15 (18%) 9 (13%) 22 (11%) 4 (18%) 1 (50%) 0.2
evitability_obesidad 10 (19%) 15 (27%) 17 (22%) 15 (22%) 54 (27%) 2 (11%) 0 (0%) 0.7
evitability_smoke 13 (25%) 17 (29%) 7 (8.4%) 12 (18%) 35 (17%) 0 (0%) 0 (0%)
evitability_IAM 2 (3.8%) 4 (6.9%) 17 (20%) 3 (4.4%) 16 (7.8%) 3 (14%) 0 (0%)
1 Mean (SD); n (%)
2 Kruskal-Wallis rank sum test; Fisher's exact test

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Table 8. Evitability factors by stroke severity
Characteristic Minor stroke, N = 2341 Moderate stroke, N = 861 Moderate to severe stroke, N = 201 No stroke symptoms, N = 1431 Severe stroke, N = 81 p-value2
evitability_total 1.54 (1.27) 1.38 (1.06) 1.50 (1.05) 1.38 (0.96) 2.20 (0.84) 0.5
evitability_ta 79 (34%) 26 (30%) 9 (45%) 54 (38%) 3 (38%) 0.6
evitability_dlp 56 (25%) 15 (18%) 3 (16%) 32 (24%) 3 (38%) 0.5
evitability_AF 21 (9.0%) 10 (12%) 8 (40%) 10 (7.0%) 3 (38%) <0.001
evitability_stroke 32 (14%) 13 (15%) 3 (15%) 13 (9.1%) 2 (25%) 0.4
evitability_obesidad 61 (27%) 16 (21%) 2 (13%) 33 (23%) 1 (12%) 0.7
evitability_smoke 46 (20%) 12 (14%) 0 (0%) 25 (17%) 1 (12%) 0.2
evitability_IAM 25 (11%) 7 (8.1%) 2 (10%) 11 (7.7%) 0 (0%) 0.8
1 Mean (SD); n (%)
2 Kruskal-Wallis rank sum test; Fisher's exact test

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