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Table 2 Left atrial volume measurements at six weeks and six months, compared to baseline, respectively

From: Left atrial enlargement and clinical considerations in patients with or without a residual interatrial shunt after closure of the left atrial appendage with the WATCHMAN™-device

 

Baseline

6 weeks

p1

6 months

p2

(n = 51, if not specified)

     

LAVmax, ml

102.8 ± 30.8

107.7 ± 32.8

< 0.01

113.5 ± 34.2

< 0.01

LAVpreA, ml (6we:n = 8; 6mo: n = 5)

77.3 ± 23.6

80.2 ± 26.2

0.15

80.3 ± 30.1

0.05

LAVmin, ml

76.9 ± 29.5

81.8 ± 30.2

< 0.01

82.1 ± 33.3

< 0.01

LAVImax, ml/m2

53.6 ± 17.0

56.1 ± 17.8

< 0.01

59.7 ± 17.7

< 0.01

LAVIpreA, ml/m2. (6we:n = 8; 6mo: n = 5)

41.56 ± 17.2

43.1 ± 18.3

0.14

46.7 ± 21.6

0.05

LAVImin, ml/m2

40.2 ± 16.2

42.5 ± 16.1

< 0.01

43.3 ± 17.6

< 0.01

  1. p1 = p value (comparison between six weeks and baseline measurements); p2 = p value (comparison between six months and baseline measurements)