|
Total (n=749) |
PICM (n= 74) |
No PICM
(n=675) |
P Value* |
Age, years |
59.19 ± 14.08 |
57.7 ± 15.67 |
59.36 \(\pm\) 13.90 |
0.338 |
Female (%) |
237 (31.6) |
25 (33.8) |
212 (31.4) |
0.676 |
Diabetes (%) |
257 (34.36) |
24 (32.4) |
233 (34.6) |
0.713 |
Hypertension (%) |
406 (54.28) |
41 (55.4) |
365 (54.1) |
0.838 |
Hypothyroidism (%) |
84 (11.23) |
10 (13.5) |
74 (10.9) |
0.512 |
Drugs (%)
Beta-blocker
ACE inhibitors
|
229 (30.57)
292 (38.99)
|
28 (37.8)
34 (45.9)
|
201 (29.8)
258 (38.2)
|
0.153
0.196
|
Indication (%)
High Grade AV Block
Sinus Node Dysfunction
Others
|
557 (74.37)
180 (24.03)
12 (1.60)
|
65 (87.84)
8 (10.81)
1 (1.35)
|
492 (72.89)
172 (25.48)
11 (1.63)
|
0.013
|
Implanting physician (%)
More than 3 yr experience
Less than 3 year experience
|
451 (60.21)
298 (39.79)
|
45(60.8)
29 (39.2)
|
406(60.15)
269 (39.85)
|
0.912
|
Pacing mode (%)
VVI
VVIR
VDD
DDD
DDDR
|
65 (8.68)
18 (2.40)
69 (9.21)
133 (17.76)
464 (61.95)
|
4(5.4)
2(2.7)
8(10.8)
14(18.9)
46(62.16)
|
61(9)
16(2.37)
61(9.04)
119(17.6)
418(61.9)
|
0.855
|
Rate adaptive pacing (%) |
587 (78.37) |
59(79.7) |
528(78.2) |
0.765 |
Apical location (%) |
228 (30.44) |
23 (31.1) |
205 (30.8) |
0.900 |
Baseline LV EF % |
57.3 \(\pm\) 3.3 |
56.1 \(\pm\) 1.4 |
57.1
\(\pm\) 2.1 |
0.047 |
Intrinsic QRS duration, msec |
122.9 \(\pm\) 26.2 |
127.4
\(\pm\) 25.9 |
121.7 \(\pm\) 26.2 |
0.088 |
Intrinsic QRS Morphology (%)
Narrow QRS
RBBB/ IVCD
LBBB
|
50.43
24.79
24.79
|
46.4
18.8
34.8
|
50.87
25.44
23.69
|
0.109
|
Paced QRS duration, msec |
134.9 \(\pm\) 25.4 |
149.8
\(\pm\)20.4 |
133.25 \(\pm\) 25.3 |
0.023 |
Median RV pacing burden %,(IQR) |
81 (15-99) |
98.15 (81-99) |
75 (13-99) |
0.0006 |