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Insights into Imaging

Table 1 Conventional imaging features and clinical risk factors

From: The association of body composition with abdominal aortic aneurysm growth after endovascular aneurysm repair

Characteristics All Group(+) Group(−) p value
Demographic factors
Sex M = 101; W = 12 M = 31; W = 5 M = 70; W = 7 .657
Age (years) 68 ± 8 70 ± 8 67 ± 9 .150
Conventional imaging features
Volume change (%) − 2.37 ± 13.40 10.70 ± 9.96 − 8.49 ± 10.01 –
V1 (cm3) 114.60 (83.90, 177.55) 108.20 (80.50, 171.98) 117.00 (83.90, 180.85) .739
V2 (cm3) 108.10 (77.45, 164.30) 119.60 (90.70, 183.65) 106.00 (73.05, 162.45) .208
Maximal diameter (mm) 49.00 (39.50, 57.15) 49.70 (40.13, 61.08) 48.00 (39.35, 54.70) .318
CT-reported endoleak Yes = 19; No = 94 Yes = 12; No = 24 Yes = 7; No = 70 .001*
Past disease histories
Hypertension Yes = 71; No = 39; NR = 3 Yes = 23; No = 11; NR = 2 Yes = 48; No = 28; NR = 1 .649
Hypertension duration (years) 5 (0, 15) 10 (0, 20) 4 (0, 10) .123
SP (mmHg) 138 (128, 158) 143 (129, 163) 138 (128, 156) .432
DP (mmHg) 80 (72, 90) 80 (69, 90) 80 (73, 90) .488
Heart disease Yes = 34; No = 79 Yes = 15; No = 21 Yes = 19; No = 58 .067
Diabetes Yes = 16; No = 96; NR = 1 Yes = 7; No = 29 Yes = 9; No = 67; NR = 1 .283
Living habits
Smoking history Yes = 71; No = 41; NR = 1 Yes = 24; No = 12 Yes = 47; No = 29; NR = 1 .621
Current smoking status Yes = 39; No = 72; NR = 2 Yes = 14; No = 21; NR = 1 Yes = 25; No = 51; NR = 1 .466
Smoking duration (years) 30 (0, 40) 30 (0, 40) 20 (0, 40) .671
Alcohol consumption Yes = 38; No = 73; NR = 2 Yes = 17; No = 18; NR = 1 Yes = 21; No = 55; NR = 1 .031*
Current alcohol consumption status Yes = 25; No = 86; NR = 2 Yes = 10; No = 25; NR = 1 Yes = 15; No = 61; NR = 1 .301
Metabolism-related
Total cholesterol (mmol/L) 4.04 (3.52, 4.87) 4.11 (3.45, 5.13) 4.03 (3.53, 4.79) .851
Triglyceride (mmol/L) 1.31 (0.95, 2.00) 1.29 (0.96, 2.22) 1.35 (0.95, 1.90) .696
HDLC (mmol/L) 0.91 (0.76, 1.04) 0.93 (0.81, 1.22) 0.90 (0.74, 1.03) .183
LDLC (mmol/L) 2.40 (1.94, 2.97) 2.49 (1.70, 2.99) 2.37 (1.98, 2.96) .880
  1. Continuous variables are presented as mean ± standard deviation or median (interquartile range). Categorical variables are presented as numbers. Group(+) represents patients with an aneurysm expansion, and Group(−) represents patients with a stable or shrunken aneurysm
  2. V1 first postoperative follow-up aneurysm volume, V2 second follow-up aneurysm volume, SP systolic pressure, DP diastolic pressure, HDLC high-density lipoprotein cholesterol, LDLC low-density lipoprotein cholesterol, NR not reported
  3. *p values in bold highlight the figures less than .05
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