Research Article

High Neutrophil-to-Lymphocyte Ratio Predicts Hemorrhagic Transformation in Acute Ischemic Stroke Patients Treated with Intravenous Thrombolysis

Table 2

Comparisons of clinicial and laboratory variables in IVT patients with and without HT.

VariableWith HT
(N = 72)
Without HT
(N = 213)
t/X2/z
value
value

Agea (years)64.0 ± 12.361.8 ± 11.9−1.3540.177
Menb51 (70.8%)150 (70.4%)0.0040.947
NIHSS score on admissionc10 (6–14.8)6 (4–9)−5.429<0.001
Hypertensionb46 (63.9%)165 (77.5%)5.1590.023
Diabetesb19 (26.4%)60 (28.2%)0.0850.770
Smokersb25 (34.7%)77 (36.2%)0.0480.827
AFb35 (48.6%)32 (15.0%)33.759<0.001
Previous strokeb13 (18.1%)39 (18.3%)0.0020.961
PATb3 (4.2%)20 (9.4%)1.9790.213
POATb3 (4.2%)5 (2.3%)0.6530.421
Antiplatelet therapy prescribed before MRI scanb45 (62.5%)167 (78.4%)2.3150.128
Uric acida (mmol/L)369.2 ± 108.8396.9 ± 107.91.8440.066
OTTa (minutes)195.3 ± 52.6202.2 ± 56.90.8980.37
Platelet countsa (109/L)201.3 ± 43.2218.3 ± 59.02.2460.025
WBC countsa (109/L)8.6 ± 3.28.4 ± 2.8−0.5860.558
Neutrophil counts (109/L)6.3 ± 3.35.6 ± 2.6−1.7590.08
Lymphocyte counts (109/L)1.6 ± 0.72.1 ± 0.94.349<0.001
High NLRc27 (37.5%)44 (20.7%)8.160.004
BG on admissiona (mmol/L)7.6 ± 3.47.5 ± 3.2−0.2800.779
SBP on admissiona (mmHg)152.0 ± 24.1159.2 ± 24.82.1350.035
DBP on admissiona (mmHg)90.1 ± 15.091.8 ± 17.00.7540.452
SVD burdenc0 (0–1)1 (0–2)−1.4340.152

aMean (SD), t-test; bn (%), chi-square test; cMann-Whitney U test. AF = atrial fibrillation; BG = blood glucose; DBP = diastolic blood pressure; HT = hemorrhagic transformation; NIHSS = National Institutes of Health Stroke Scale; NLR = neutrophil-to-lymphocyte ratio; OTT = onset-to-treatment time; PAT = previous antiplatelet therapy; POAT = previous oral anticoagulant therapy; SBP = systolic blood pressure; SVD = small vessel disease; WBC = white blood cell.