Table 2 The potential aneurysmal subarachnoid haemorrhage (aSAH) risk factors analysed by traditional statistical methods.
From: Identifying novel risk factors for aneurysmal subarachnoid haemorrhage using machine learning
Potential risk factors | No aSAH | aSAH | Unadjusted OR (95% CI) | Adjusted* OR (95% CI) |
|---|---|---|---|---|
Log(Peak expiratory flow), mean (SD) | 5.87 (0.40) | 5.77 (0.45) | 0.60** (0.53–0.69) | 0.80** (0.66–0.96) |
Log(SHBG), mean (SD) | 3.81 (0.51) | 3.91 (0.51) | 1.46** (1.26–1.69) | 1.29** (1.09–1.53) |
Log(C-reactive protein), mean (SD) | 0.31 (1.04) | 0.42 (1.03) | 1.09** (1.02–1.17) | 1.01 (0.94–1.08) |
IGF-1, mean (SD) | 21.37 (5.58) | 20.70 (5.64) | 0.98** (0.97–0.99) | 1.00 (0.98–1.01) |
Mean sphered cell volume, mean (SD) | 82.79 (5.14) | 83.52 (5.17) | 1.03** (1.01–1.04) | 1.02** (1.00–1.03) |
Sitting height, mean (SD) | 89.15 (4.88) | 88.26 (4.86) | 0.96** (0.95–0.97) | 0.99 (0.97–1.01) |
Hand grip strength, mean (SD) | 30.61 (11.03) | 28.60 (11.17) | 0.98** (0.98–0.99) | 1.00 (0.99–1.01) |
Log(Forced vital capacity), mean (SD) | 1.26 (0.29) | 1.19 (0.31) | 0.51** (0.42–0.62) | 0.92 (0.68–1.25) |
Glycated haemoglobin (HbA1c), mean (SD) | 35.49 (4.50) | 35.74 (4.30) | 1.01 (1.00–1.02) | 0.99 (0.97–1.00) |
Haematocrit percentage, mean (SD) | 41.08 (3.54) | 40.63 (3.35) | 0.96** (0.95–0.98) | 0.97** (0.95–1.00) |
Urea, mean (SD) | 5.37 (1.28) | 5.47 (1.37) | 1.06** (1.00–1.11) | 1.04 (0.99–1.10) |
Number of self-reported non-cancer illnesses, mean (SD) | 1.86 (1.87) | 2.16 (2.26) | 1.08** (1.05–1.11) | 1.03 (1.00–1.07) |
Systolic blood pressure, mean (SD) | 137.81 (18.68) | 140.25 (18.62) | 1.01** (1.00–1.01) | 1.00 (1.00–1.01) |
Townsend deprivation index at recruitment, mean (SD) | −1.29 (3.09) | −1.15 (3.16) | 1.01 (0.99–1.04) | 1.00 (0.98–1.02) |
Body mass index (BMI), mean (SD) | 27.43 (4.80) | 26.94 (4.79) | 0.98** (0.96–0.99) | 0.97** (0.96–0.99) |
Log(Creatinine (enzymatic) in urine), mean (SD) | 8.88 (0.68) | 8.83 (0.68) | 0.91 (0.82–1.00) | 1.01 (0.91–1.12) |
Impedance of leg, mean (SD) | 247.36 (35.27) | 252.11 (36.28) | 1.00** (1.00–1.01) | 1.00** (1.00–1.01) |
Lymphocyte count, mean (SD) | 1.94 (0.60) | 1.97 (0.65) | 1.08 (0.97–1.21) | 0.94 (0.84–1.05) |
Tea intake, mean (SD) | 3.41 (2.90) | 3.72 (3.36) | 1.03** (1.01–1.05) | 1.03** (1.01–1.05) |
Neutrophil percentage, mean (SD) | 60.88 (8.52) | 60.89 (9.21) | 1.00 (0.99–1.01) | 1.00 (0.99–1.01) |
