Table 3

Clinical sample characteristics
At enrolment At follow up 12 months Lost to follow up P value* Dead P value**
n= 546 n=411 n=91 n=44
N./mean %/SD N./mean %/SD N./ mean %/SD N./mean %/SD
Hypertension 383 70.1% 277 67.4% 71 78.0% 0.047 35 79.5% 0.155
Atrial Fibrillation 104 19.0% 72 17.5% 15 16.5% 0.814 17 38.6% 0.001
Diabetes Mellitus 118 21.6% 88 21.4% 18 19.8% 0.731 12 27.3% 0.341
Previous strokes 62 11.4% 39 10% 8 8.8% 0.836 15 34.1% <0.001
Previous TIA 54 9.9% 40 9.7% 4 4.4% 0.103 10 22.7% 0.003
Previous AMI 54 9.9% 38 9.2% 9 9.9% 0.849 7 15.9% 0.163
Ischemic 464 84% 352 85.6% 76 83.5% 0.604 36 81.8% 0.540
Bamford Classification § 0.295 <0.001
PACS 177 32.4% 126 30.7% 37 40.7% 14 31.8%
LACS 181 33.2% 146 35.5% 29 31.9% 6 13.6%
POCS 82 15.0% 65 15.8% 13 14.3% 4 9.1%
TACS 106 19.4% 74 18.0% 12 13.2% 20 45.5%
NIHSS – at admission Mean (SD) 7.2 6.5 6.7 6.0 6.2 5.7 0.403 13.2 9.6 <0.001
Median (IQR) 5.0 7.0 5.0 6.0 4.0 8.0 0.157¥ 13.0 14.0 <0.001¥
Barthel Index mean-admission 52.3 36.4 54.3 35.0 58.1 38.1 0.363 19.4 30.1 <0.001
Barthel Index mean-discharge 67.5 36.5 70.9 33.1 68.7 35.8 0.566 26.2 37.4 <0.001
Barthel Index category at discharge 0.588 <0.001
Indipendence (96–100) 189 34.6% 215 52.3% 37 40.7% 4 9.1%
Mild dependence (75–95) 106 19.4% 77 18.7% 17 18.7% 3 6.8%
Moderate dependence (46–74) 84 15.4% 58 14.1% 12 13.2% 2 4.5%
Severe dependence (0–45) 145 26.6% 56 13.6% 24 26.4% 27 61.4%
N.A. 22 4.0% 5 1.2% 1 1.1% 8 18.2%
Modified Ranking Scale at discharge 0.217 <0.001
0 50 9.2% 89 21.7% 8 8.8% 4 9.1%
1 133 24.4% 128 31.1% 28 30.8% 2 4.5%
2 76 13.9% 41 10.0% 13 14.3% 3 6.8%
3 94 17.2% 71 17.3% 18 19.8% 1 2.3%
4 131 24.0% 64 15.6% 11 12.1% 11 25.0%
5 62 11.4% 18 4.4% 13 14.3% 23 52.3%

(§) PACS = Lacunar stroke, PACS = Partial anterior circulation stroke, TACS = Total anterior circulation stroke, POCS = Posterior circulation stroke.

*comparison patients with full follow up (n=411) to lost to follow up (n=91).

** comparison patients with full follow up (n=411) to dead (n=44); ¥ Mann Whitney test.

Fattore et al.

Fattore et al. BMC Neurology 2012 12:137   doi:10.1186/1471-2377-12-137

Open Data