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Table 2 Differences in the left atrium and left atrial dimensions in the 4 morphological types of the left atrial appendage

From: The left atrial appendage morphology and gender differences by multi-detector computed tomography in an Egyptian population

  Windsock Chicken wing Cauliflower Cactus P value
N = 82 N = 64 N = 57 N = 49
Left atrial diameter, mm (mean ± SD) 39.10 ± 5.25 38.16 ± 4.65 37.14 ± 4.45 39.63 ± 4.60 0.03
Left atrial volume, ml (mean ± SD) 104.3 ± 29.57 99.06 ± 37.23 95.28 ± 30.85 87.65 ± 20.88 0.02
LAA orifice position (N, %) Low 44 (53.7%) 26 (40.6%) 13 (22.8%) 43 (87.8%) < 0.01
Mid 25 (30.5%) 32 (50.0%) 25 (43.9%) 6 (12.2%)
High 13 (15.9%) 6 (9.4%) 19 (33.3%) 0 (0.0%)
LAA volume, ml (mean ± SD) 10.06 ± 3.61 6.27 ± 3.23 7.44 ± 3.30 6.61 ± 2.89 < 0.01
LAA length, mm (mean ± SD) 45.40 ± 3.86 43.95 ± 5.35 31.53 ± 3.20 32.12 ± 4.46 < 0.01
  1. Categorical variables were compared by chi-square test, continuous variables were compared by one way ANOVA
  2. LAA left atrial appendage, SD standard deviation