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Table 1

From: Patterns of myocardial fibrosis by CMR in patients with conduction abnormalities

Variable

LBBB (n=22)

RBBB (n-40)

NSCD (n=113)

No Delay (n=523)

LA Volume (ml)

133 ± 53.5

118 ± 63.4

121 ± 46.3a

105 ± 43.7

LVEDV (ml)

231 ± 109b,c,d

139 ± 59e

179 ± 71

141 ± 60

LVESV (ml)

162 ± 97b,c,d

65 ± 47

93 ± 68a

64 ± 54

LV Myocardial Mass (g)

176 ± 75

154 ± 59

177 ± 65a

146 ± 60

LVEF (%)

35.4 ± 17.6b,c,d

56.7 ± 14.1

52.8 ± 19.8a

59.1 ± 16.8

RVEDV (ml)

130 ± 60

161 ± 79f

144 ± 53

130 ± 60

RVESV (ml)

75 ± 62

90 ± 62f

74 ± 45

63 ± 33

RVEF (%)

49.0 ± 18.4

47.1 ± 10.8

50.7 ± 13.8

53.0 ± 12.1

Scar Extent (% of LV)

4.3 ± 7.1

5.5 ± 8.7

7.7 ± 12.6a

4.1 ± 9.2

Septal Location Fibrosis

3 (13.6)

10 (25.0)f

31 (27.4)a

35 (6.7)

  1. Data are presented as mean ± SD for continuous variables and number (%) for categorical variables. P-values are based on one-way analysis of variance (ANOVA) with Bonferroni correction for multiple pairwise comparisons for continuous variables and Fisher’s exact test for categorical variables. aP<0.05 for comparison between NSCD and normal bP<0.05 for comparison between LBBB and normal cP<0.05 for comparison between LBBB and NSCD dP<0.05 for comparison between LBBB and RBBB eP<0.05 for comparison between RBBB and NSCD fP<0.05 for comparison between RBBB and normal