|
All patients
(n=100)
|
1. PAF group
(n=51)
|
2. Non-PAF group
(n=49)
|
P value
(1 vs 2)
|
3. Normal/Mildly
enlarged LA group
(n=68)
|
4. Moderately
enlarged LA group
(n=21)
|
5. Severely
enlarged LA group
(n=11)
|
P value
(ANOVA)
|
Total surface area of LA (cm2) |
78.8±19.7 |
69.2±13.6 |
88.8±20.2 |
<0.0001 |
76.3±18.0 |
82.6±23.3 |
87.3±20.9 |
0.1366 |
Number of mapping point |
4580±1035 |
4331±939 |
4840±1076 |
0.0132 |
4504±1056 |
4593±932 |
5029±1068 |
0.298 |
Global LA activation time (ms) |
112±21 |
101±15 |
124±21 |
<0.0001 |
110±20 |
120±24 |
115±20 |
0.1151 |
Global LA voltage (mV) |
5.3±2.2 |
6.2±2.0 |
4.4±2.0 |
<0.0001 |
5.8±2.2 |
5.0±2.1 |
3.2±1.5 |
0.0011 |
Incidence of ACZ, n (%) |
95 (95%) |
46 (90%) |
49 (100%) |
0.0245 |
63 (93%) |
21 (100%) |
11 (100%) |
0.2899 |
Length of ACZ (cm) |
5.48±4.00 |
3.81±2.95 |
7.22±4.23 |
<0.0001 |
4.94±4.02 |
6.27±4.56 |
7.78±3.83 |
0.0469 |
Number of ACZ |
2.2±1.4 |
1.6±1.0 |
2.6±1.1 |
<0.0001 |
1.9±1.1 |
2.1±1.1 |
2.9±1.1 |
0.1977 |
CoA (cm2) |
6.0±4.1 |
5.5±4.2 |
6.5±3.9 |
0.2196 |
5.5±4.2 |
7.1±3.8 |
7.0±3.3 |
0.2139 |
Number of CoA |
1.9±0.6 |
1.8±0.5 |
1.9±0.7 |
0.2601 |
1.7±0.6 |
2.1±0.5 |
2.2±0.6 |
0.0049 |
Overlapping rate of CoAs and ACZ (%) |
25.6±28.0 |
26.5±33.1 |
24.6±21.6 |
0.7314 |
23.9±28.5 |
28.0±29.2 |
31.4±23.0 |
0.6476 |
Incidence of mild LVA (<1.3 mV), n (%) |
78 (78%) |
36
(71%) |
42 (86%) |
0.0679 |
50 (74%) |
17 (81%) |
11 (100%) |
0.1353 |
Burden of mild LVA (cm2) |
19.1±16.5 |
13.5±13.3 |
24.9±17.7 |
0.0004 |
15.1±14.4 |
23.7±18.4 |
34.8±14.7 |
0.0003 |
Overlapping rate of mild LVA and ACZ (%) |
51.2±36.2 |
42.1±36.2 |
60.6±34.0 |
0.0099 |
42.3±33.3 |
66.4±36.3 |
83.0±24.9 |
<0.0001 |
Incidence of moderate LVA (<1.0 mV), n (%) |
56 (56%) |
23
(45%) |
33 (67%) |
0.025 |
32 (47%) |
13 (62%) |
11 (100%) |
0.0038 |
Burden of moderate LVA (cm2) |
10.0±10.7 |
6.4±7.8 |
13.8±12.1 |
0.0004 |
7.3±8.6 |
12.1±11.5 |
22.9±11.9 |
<0.0001 |
Overlapping rate of moderate LVA and ACZ (%) |
32.9±32.8 |
24.8±30.4 |
41.4±33.3 |
0.0109 |
24.3±27.5 |
43.7±38.2 |
65.7±26.6 |
<0.0001 |
Incidence of severe LVA (<0.5 mV), n (%) |
20 (20%) |
3
(6%) |
17 (35%) |
0.0003 |
6 (9%) |
8 (38%) |
6 (55%) |
0.0001 |
Burden of severe LVA (cm2) |
2.9±5.3 |
1.0±1.9 |
5.0±6.8 |
<0.0001 |
1.5±2.9 |
3.6±4.7 |
10.9±9.7 |
<0.0001 |
Overlapping rate of severe LVA and ACZ (%) |
14.6±22.0 |
10.3±19.9 |
18.9±23.5 |
0.0502 |
9.4±17.6 |
19.9±24.4 |
36.4±27.9 |
0.0002 |