Feature Name | All (n = 794) | CRT Non-Responder (n = 396) | CRT Responder (n = 398) |
---|---|---|---|
Continuous Variables, unit | |||
Age, year | 65.8 ± 10.8 | 65.6 ± 10.7 | 66.1 ± 10.9 |
Height, cm | 171.4 ± 10.4 | 171.6 ± 10.0 | 171.3 ± 10.7 |
Weight, kg | 87.4 ± 20.8 | 88.2 ± 20.6 | 86.6 ± 20.9 |
BPSys, mm Hg | 123.9 ± 20.3 | 123.2 ± 19.4 | 124.6 ± 21.0 |
BPDia, mm Hg | 71.4 ± 13.4 | 71.3 ± 13.5 | 71.5 ± 13.3 |
HRrest, bpm | 71.1 ± 12.3 | 70.9 ± 12.7 | 71.3 ± 11.0 |
QOL Score | 46.6 ± 24.9 | 50.0 ± 25.8 | 43.3 ± 23.5 |
6 MW, m | 273.4 ± 124.6 | 262.3 ± 133.1 | 284.5 ± 114.6 |
LVEDV, mL | 176.7 ± 72.1 | 162.9 ± 66.9 | 190.5 ± 74.5 |
LVESV, mL | 131.6 ± 65.6 | 118.0 ± 60.0 | 145.1 ± 68.2 |
LVEF, % | 27.7 ± 8.8 | 29.7 ± 9.3 | 25.6 ± 7.8 |
SV, mL | 45.1 ± 14.1 | 44.9 ± 14.6 | 45.3 ± 13.6 |
EDV/ESV Ratio | 1.4 ± 0.2 | 1.5 ± 0.2 | 1.4 ± 0.2 |
1D Stretch | 1.1 ± 0.0 | 1.1 ± 0.1 | 1.1 ± 0.0 |
AV Interval (Without Atrial Pacing), ms | 252.5 ± 69.1 | 252.7 ± 70.6 | 252.2 ± 67.6 |
PR Interval (Without Atrial Pacing), ms | 197.2 ± 49.8 | 200.2 ± 51.3 | 194.2 ± 48.3 |
QRS Width (Without Atrial Pacing), ms | 153.6 ± 27.3 | 150.6 ± 26.7 | 156.7 ± 27.6 |
Iterative AV Delay (Recommended), ms | 127.7 ± 38.2 | 131 ± 36.3 | 123.4 ± 39.6 |
Paced AV Delay (Recommended), ms | 174.9 ± 39 | 181.2 ± 41.2 | 168.6 ± 37.7 |
Sensed AV Delay (Recommended), ms | 127.1 ± 37.3 | 132.4 ± 39 | 121.8 ± 34.9 |
Biomarker CRT Score (0,1,2,3,4) | 1.7 ± 1.2 | 2 ± 1.1 | 1.4 ± 1.1 |
Binary Categorical Variables, n (%) | |||
Sex (Male) | 565 (67.4%) | 281 (71%) | 254 (63.8%) |
Atrial Fibrillation (Afib) | 99 (12.5%) | 57 (14.4%) | 42 (10.6%) |
PAF | 97 (12.2%) | 56 (14.1%) | 41 (10.3%) |
Atrial Flutter | 10 (1.3%) | 9 (2.3%) | 1 (0.3%) |
Renal Disease | 117 (14.7%) | 63 (15.9%) | 54 (13.6%) |
COPD | 115 (14.5%) | 64 (16.2%)) | 51 (12.8%) |
PVC | 13 (1.6%) | 8 (19.7%) | 5 (1.3%) |
AT-PSVT | 12 (1.5%) | 8 (2%) | 4 (1%) |
LBBB | 611 (77%) | 272 (68.7%) | 339 (85.2%) |
RBBB | 103 (13%) | 78 (19.7%) | 25 (6.3%) |
Ischemic Cardiomyopathy | 445 (56%) | 271 (68.4%) | 174 (43.7%) |
SA Surgery | 93 (11.7%) | 58 (14.6%) | 35 (8.8%) |
CABG | 257 (32.4%) | 163 (41.2%) | 94 (23.6%) |
PCI | 248 (31.2%) | 155 (39.1%) | 93 (23.4%) |
Diuretic | 637 (80.2%) | 316 (79.8%) | 321 (80.7%) |
ACE-ARB | 674 (84.9%) | 325 (82.1%) | 349 (87.7%) |
Digoxin | 176 (22.2%) | 96 (24.2%) | 80 (20.1%) |
Small Centersize | 176 (22.2%) | 86 (21.7% | 90 (22.6%) |
Sick Sinus | 53 (6.7%) | 24 (6.1%) | 29 (7.3%) |
VT None | 654 (82.4%) | 311 (78.5%) | 343 (86.2%) |
VT Non-Sustained | 95 (12%) | 51 (12.9%) | 44 (11.1%) |
VT SVT | 3 (0.4%) | 2 (0.5%) | 1 (0.3%) |
Echo Optimized AV Delay Group | 261 (32.9%) | 128 (32.3%) | 133 (33.4%) |
Fixed AV Delay Group | 262 (33.0%) | 139 (35.1%) | 123 (30.9%) |