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Table 1 Comparison of baseline characteristics between patients with no AIS and AIS groups

From: Factors associated with 90-day acute ischemic stroke in patients ≥70 years old with total hip arthroplasty for hip fracture

  no AIS group (2454) AIS group (63) OR(95%CI) P*
Age, y (Mean SD) 76.22 ± 6.02 79.19 ± 7.03   < 0.001
Female, n(%) 1263 (51.47) 32 (50.79) 0.97 (0.59–1.61) 0.916
Male, n(%) 1191 (48.53) 31 (49.20) 0.97 (0.59–1.61) 0.916
BMI ≥ 24 kg/m, n(%) 735 (29.95) 21 (33.33) 0.86 (0.50–1.45) 0.563
Current Smoking, n(%) 661 (26.96) 14 (22.22) 0.78 (0.43–1.41) 0.404
Hypertension, n(%) 801 (66.26) 15 (23.81) 0.65 (0.36–1.16) 0.139
Diabetes, n(%) 731 (32.64) 34 (53.97) 2.77 (1.67–4.57) < 0.001
Hyperlipidemia, n(%) 1477 (60.19) 48 (76.19) 2.11 (1.18–3.80) 0.010
Atrial fibrillation, n (%) 37 (1.51) 5 (7.94) 5.63 (2.14–14.85) < 0.001
Dementia, n (%) 97 (3.95) 4 (6.35) 1.65 (0.59–4.63) 0.339
Heart disease, n (%) 124 (5.05) 2 (3.17) 0.62 (0.15–2.55) 0.500
Chronic renal disease, n (%) 197 (8.03) 6 (9.52) 1.21 (0.51–2.83) 0.667
Chronic liver disease, n (%) 1054.28) 2 (3.17) 0.73 (0.18–3.04) 0.668
COPD, n (%) 247 (10.07) 7 (11.11) 1.12 (0.50–2.48) 0.786
Anticoagulant use before surgery, n (%) 963 (39.24) 17 (26.98) 0.57 (0.33–1. 00) 0.049
Fracture to operation duration, d (Mean SD) 6.87 ± 3.37 7.84 ± 5.41   0.283
ALB, g/l (Mean SD) 34.097 ± 4.81 33.25 ± 5.14   0.132
RBC, g/l (Mean SD) 135.04 ± 26.34 130.95 ± 26.38   0.229
D-dimer, ug/ml (Mean SD) 3.68 ± 2.19 5.46 ± 2.60   < 0.001
  1. Bold indicates P-values less than 0.05
  2. *Comparison between no AIS and AIS groups. The data are presented as numbers (%) or mean values (±standard deviation). The Pearson χ2 test was used for categorical variables. Student’s t-test was used to compare normally distributed variables. Mann-Whitney U tests were used to compare nonnormally distributed variables