Table 1.
Baseline characteristics in the non-LVR and LVR groups (χ̄±s) or n (%).
| Characteristics | Total | Non-LVR (n=198) | LVR (n=135) | Z/t/χ2 | P |
|---|---|---|---|---|---|
| Age, years | 61.67±13.17 | 62.14±13.07 | 60.99±13.34 | 0.78 | 0.434 |
| Sex | 6.111 | 0.013 | |||
| Male | 246 (73.87) | 156 (78.79) | 90 (66.67) | ||
| Female | 87 (26.13) | 42 (21.21) | 45 (33.33) | ||
| BMI, kg/m2 | 24.83±3.29 | 24.61±3.31 | 25.15±3.25 | −1.46 | 0.145 |
| Heart failure classification* | <0.001 | ||||
| I | 239 (71.77) | 180 (90.91) | 59 (43.70) | ||
| II | 61 (18.32) | 14 (7.07) | 47 (34.81) | ||
| III | 22 (6.61) | 4 (2.02) | 18 (13.33) | ||
| IV | 11 (3.30) | 0 (0.00) | 11 (8.15) | ||
| Marital status* | 0.225 | ||||
| Single | 1 (0.30) | 0 (0.00) | 1 (0.74) | ||
| Married | 332 (99.70) | 198 (100.00) | 134 (99.26) | ||
| Surgical history | 7.007 | 0.008 | |||
| No | 318 (95.50) | 194 (97.98) | 124 (91.85) | ||
| Yes | 15 (4.50) | 4 (2.02) | 11 (8.15) | ||
| History of drinking | 0.507 | 0.476 | |||
| No | 227 (68.17) | 132 (66.67) | 95 (70.37) | ||
| Yes | 106 (31.83) | 66 (33.33) | 40 (29.63) | ||
| History of hypertension | 0.000 | 1.000 | |||
| No | 148 (44.44) | 88 (44.44) | 60 (44.44) | ||
| Yes | 185 (55.56) | 110 (55.56) | 75 (55.56) | ||
| History of diabetes mellitus | 0.006 | 0.941 | |||
| No | 241 (72.37) | 143 (72.22) | 98 (72.59) | ||
| Yes | 92 (27.63) | 55 (27.78) | 37 (27.41) | ||
| History of smoking | 0.054 | 0.817 | |||
| No | 143 (42.94) | 84 (42.42) | 59 (43.70) | ||
| Yes | 190 (57.06) | 114 (57.58) | 76 (56.30) | ||
| Complications | 7.238 | 0.007 | |||
| No | 289 (86.69) | 180 (90.91) | 109 (80.74) | ||
| Yes | 44 (13.21) | 18 (9.09) | 26 (19.26) | ||
| Atrial fibrillation | 9.150 | 0.002 | |||
| No | 287 (86.19) | 180 (90.91) | 107 (79.26) | ||
| Yes | 46 (13.81) | 18 (9.09) | 28 (20.74) | ||
| Ventricular arrhythmia | 8.174 | 0.004 | |||
| No | 288 (86.49) | 180 (90.91) | 108 (80.00) | ||
| Yes | 45 (13.51) | 18 (9.09) | 27 (20.00) | ||
| LAD occlusion location | 4.613 | 0.100 | |||
| Proximal | 238 (71.47) | 144 (72.73) | 94 (69.63) | ||
| Middle | 86 (25.83) | 46 (23.23) | 40 (29.63) | ||
| Distal | 9 (2.70) | 8 (4.04) | 1 (0.74) | ||
| No. stenosed coronary vessels | 36.194 | <0.001 | |||
| 1 | 64 (19.22) | 59 (29.80) | 5 (3.70) | ||
| 2 | 151 (45.35) | 82 (41.41) | 69 (51.11) | ||
| 3 | 118 (35.44) | 57 (28.79) | 61 (45.19) | ||
| SYNTAX score | 18.35±6.06 | 16.13±5.30 | 21.60±5.64 | −9.00 | <0.001 |
| Collateral circulation | 19.271 | <0.001 | |||
| 0 | 290 (87.09) | 179 (90.40) | 111 (82.22) | ||
| 1 | 25 (7.51) | 5 (2.53) | 20 (14.81) | ||
| 2 | 18 (5.41) | 14 (7.07) | 4 (2.96) |
*
Data were analyzed using a Fisher exact test.
BMI – body mass index; LAD – left anterior descending; LVR – left ventricular remodeling.