Research Article

Predictive Modeling of Short-Term Poor Prognosis of Successful Reperfusion after Endovascular Treatment in Patients with Anterior Circulation Acute Ischemic Stroke

Table 2

Baseline characteristics of included patients in the training set.

CharacteristicTotal (n = 248)GroupStatisticP
Good prognosisPoor prognosis
(n = 142)(n = 106)

Age, year, (Mean ± SD)59.86 ± 10.8058.94 ± 10.9061.09 ± 10.59t = −1.560.121

Sex, n (%)χ2 = 0.0660.797
 Male159 (64.11)92 (64.79)67 (63.21)
 Female89 (35.89)50 (35.21)39 (36.79)

BMI, kg/m2, n (%)Z = 0.8800.379
 Underweight3 (1.21)1 (0.70)2 (1.89)
 Normal109 (43.95)66 (46.48)43 (40.57)
 Overweight118 (47.58)67 (47.18)51 (48.11)
 Obese18 (7.26)8 (5.63)10 (9.43)

Smoking history, n (%)χ2 = 0.4770.490
 No184 (74.19)103 (72.54)81 (76.42)
 Yes64 (25.81)39 (27.46)25 (23.58)

Stroke history, n (%)χ2 = 0.0220.882
 No186 (75.00)106 (74.65)80 (75.47)
 Yes62 (25.00)36 (25.35)26 (24.53)

Antiplatelet therapy history, n (%)χ2 = 0.0200.888
 No179 (72.18)102 (71.83)77 (72.64)
 Yes69 (27.82)40 (28.17)29 (27.36)

NIHSS, Mean ± SD5.00 (4.00, 7.00)5.00 (3.00, 6.00)6.00 (4.00, 8.00)Z = 3.981<0.001

Severity of stroke, n (%)Z = 3.1790.001
 Mild99 (39.92)68 (47.89)31 (29.25)
 Moderate139 (56.05)71 (50.00)68 (64.15)
 Moderate to severe10 (4.03)3 (2.11)7 (6.60)

Level of consciousness, n (%)Z = 3.809<0.001
 No229 (92.34)139 (97.89)90 (84.91)
 Mild16 (6.45)3 (2.11)13 (12.26)
 Moderate3 (1.21)0 (0.00)3 (2.83)

Baseline blood pressure
 SBP, mmHg, Mean ± SD151.21 ± 25.10146.82 ± 23.33157.08 ± 26.26t = −3.240.001
 DBP, mmHg, Mean ± SD87.35 ± 13.5384.70 ± 12.2890.90 ± 14.34t = −3.66<0.001
 MAP, mmHg, Mean ± SD108.46 ± 15.42105.18 ± 13.76112.85 ± 16.47t = −3.89<0.001

Comorbidities, n (%)
 Diabetes mellitus84 (33.87)47 (33.10)37 (34.91)χ2 = 0.0880.766
 Hypertension169 (68.15)94 (66.20)75 (70.75)χ2 = 0.5810.446
 Dyslipidemia13 (5.24)9 (6.34)4 (3.77)χ2 = 0.8040.370
 Coronary heart disease37 (14.92)18 (12.68)19 (17.92)χ2 = 1.3170.251

Blood glucose, mmol/L, M (Q1, Q3)5.36 (4.66, 6.86)5.21 (4.51, 6.20)5.77 (4.79, 7.63)Z = 2.6510.008
HB, g/L, mean ± SD134.49 ± 17.17134.46 ± 15.80134.53 ± 18.93t = −0.030.973
RBC, 1012/L, mean ± SD4.36 ± 0.544.36 ± 0.534.36 ± 0.55t = −0.040.964
WBC 109/L mean ± SD7.07 ± 2.116.92 ± 2.077.28 ± 2.15t = −1.340.181
PLT, 109/L, M (Q1, Q3)219.50 (177.00, 259.00)219.00 (176.00, 264.00)220.50 (179.00, 255.00)Z = −0.0640.949
NEUT, 109/L, M (Q1, Q3)4.34 (3.40, 5.40)4.14 (3.29, 5.19)4.58 (3.53, 5.61)Z = 1.9100.056
LYM, 109/L, M (Q1, Q3)1.66 (1.29, 2.01)1.69 (1.29, 2.00)1.56 (1.28, 2.06)Z = −0.8890.374
NLR, M (Q1, Q3)2.66 (1.90, 3.56)2.50 (1.90, 3.28)2.86 (1.87, 4.34)Z = 1.7320.083
MONO, 109/L, M (Q1, Q3)0.46 (0.36, 0.58)0.45 (0.37, 0.57)0.46 (0.33, 0.60)Z = 0.0530.958
TC, mmol/L, M (Q1, Q3)3.38 (2.75, 4.30)3.39 (2.67, 4.29)3.38 (2.80, 4.32)Z = 0.7040.481
TG, mmol/L, M (Q1, Q3)1.21 (0.90, 1.68)1.22 (0.90, 1.75)1.17 (0.90, 1.65)Z = −0.5710.568
LDL-C, mmol/L, M (Q1, Q3)1.92 (1.44, 2.76)1.85 (1.31, 2.70)1.96 (1.54, 2.80)Z = 1.0890.276
HDL-C, mmol/L, Mean ± SD1.04 ± 0.271.05 ± 0.281.04 ± 0.24t = 0.250.801
CRP, mg/L, M (Q1, Q3)1.70 (0.93, 3.10)1.65 (0.92, 2.90)2.06 (0.98, 5.12)Z = 1.3830.167
Infarct volume, cm3, M (Q1, Q3)3.10 (2.10, 3.80)2.75 (1.80, 3.70)3.55 (2.60, 4.70)Z = 4.074<0.001
ASPECTS, mean ± SD7.17 ± 0.887.25 ± 0.847.08 ± 0.92t = 1.520.129
OTT, min, M (Q1, Q3)320.00 (255.00, 420.00)320.00 (250.00, 420.00)315.00 (260.00, 432.00)Z = 0.1050.917
ORT, min, mean ± SD771.81 ± 174.17763.30 ± 165.75783.21 ± 185.05t = −0.890.374
NIHSS-ORT, M (Q1, Q3)62.84 (44.09, 86.00)57.33 (42.67, 74.17)78.00 (48.50, 110.83)Z = 3.956<0.001
ASPECTS-ORT, mean ± SD91.83 ± 21.8191.98 ± 21.9591.64 ± 21.72t = 0.120.901

Treatment methods, n (%)Fisher0.041
 Angioplasty212 (85.48)129 (90.85)83 (78.30)
 Endovascular mechanical thrombectomy18 (7.26)7 (4.93)11 (10.38)
 Thrombus aspiration14 (5.65)5 (3.52)9 (8.49)
 Others4 (1.61)1 (0.70)3 (2.83)

Intravenous thrombolysis, n (%)χ2 = 1.2170.270
 No234 (94.35)132 (92.96)102 (96.23)
 Yes14 (5.65)10 (7.04)4 (3.77)

Intraoperative blood pressure
 Mean SBP, mmHg, mean ± SD136.41 ± 20.98138.88 ± 20.21133.09 ± 21.61t = 2.160.031
 Mean DBP, mmHg, mean ± SD78.63 ± 11.9679.25 ± 11.5177.78 ± 12.55t = 0.960.339
 Intraoperative MAP, mmHg, mean ± SD97.77 ± 13.5399.04 ± 12.7096.06 ± 14.46t = 1.730.086
 Minimum MAP, mmHg, mean ± SD82.62 ± 16.2187.68 ± 14.9675.85 ± 15.39t = 6.09<0.001

Intraoperative hypotension, n (%)χ2 = 25.305<0.001
 No167 (67.34)114 (80.28)53 (50.00)
 Yes81 (32.66)28 (19.72)53 (50.00)

MAP decreased from baseline, n (%)χ2 = 35.662<0.001
 ≤40%210 (84.68)137 (96.48)73 (68.87)
 >40%38 (15.32)5 (3.52)33 (31.13)

Time when decrease >40%, M (Q1, Q3)55.00 (29.00, 80.00)38.00 (30.00, 80.00)55.00 (29.00, 77.00)Z = 0.0001.000

Abbreviations: BMI, body mass index; SBP, systolic blood pressure; DBP, diastolic blood pressure; MAP, mean arterial pressure; HB, hemoglobin; RBC, red blood cell; WBC, white blood cell; PLT, platelet; NEUT, neutrophil; LYM, lymphocyte; NLR, neutrophil to lymphocyte ratio; MONO, monocyte; TC, total cholesterol; TG, triglyceride; LDL-C, low-density lipoprotein cholesterol; HDL-C, high-density lipoprotein cholesterol; CRP, C-reactive protein; ASPECTS, Alberta stroke program early CT score; OTT, onset-to-treatment time; ORT, onset-to-reperfusion time; NIHSS, National Institutes of Health Stroke Scale. BMI: Underweight (BMI <18.5 kg/m2), Normal (18.5 kg/m2 ≤ BMI < 24.0 kg/m2), Overweight (24 kg/m2 ≤ BMI <; 28.0 kg/m2), Obese (BMI ≥ 28 kg/m2).