Table 3.
Characteristics and outcomes of hospital discharges after coronary artery bypass graft among patients with and without COPD in Spain, from 2001 to 2011
| 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | P-value | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| No COPD | ||||||||||||
| N | 6,845 | 6,948 | 7,000 | 6,915 | 6,471 | 6,462 | 6,470 | 6,672 | 6,389 | 6,293 | 6,306 | 0.000 |
| Incidence | 34.5 | 34.61 | 34.15 | 33.1 | 30.37 | 29.75 | 29.29 | 29.72 | 28.04 | 27.32 | 27.08 | |
| Age, mean (SD) | 65.68 (9.42) | 65.78 (9.32) | 66.01 (9.32) | 66.44 (9.41) | 66.79 (9.26) | 67.22 (9.49) | 66.96 (9.65) | 67.07 (9.62) | 67.19 (9.72) | 67.32 (9.9) | 67.68 (9.7) | 0.000 |
| Male, n (%) | 5,259 (76.83) | 5,325 (76.64) | 5,306 (75.8) | 5,239 (75.76) | 4,880 (75.41) | 4,976 (77) | 4,959 (76.65) | 5,102 (76.47) | 4,930 (77.16) | 4,779 (75.94) | 4,905 (77.78) | 0.052 |
| CCI 0,a n (%) | 3,949 (57.69) | 3,848 (55.38) | 3,612 (51.6) | 3,504 (50.67) | 3,080 (47.6) | 2,929 (45.33) | 3,002 (46.4) | 2,963 (44.41) | 2,716 (42.51) | 2,727 (43.33) | 2,713 (43.02) | 0.000 |
| CCI 1–2,a n (%) | 2,800 (40.91) | 2,964 (42.66) | 3,226 (46.09) | 3,248 (46.97) | 3,193 (49.34) | 3,322 (51.41) | 3,279 (50.68) | 3,460 (51.86) | 3,423 (53.58) | 3,293 (52.33) | 3,370 (53.44) | |
| CCI ≥3,a n (%) | 96 (1.4) | 136 (1.96) | 162 (2.31) | 163 (2.36) | 198 (3.06) | 211 (3.27) | 189 (2.92) | 249 (3.73) | 250 (3.91) | 273 (4.34) | 223 (3.54) | |
| LOS, median (IQR) | 17 (16) | 17 (16) | 16 (16) | 15 (14) | 16 (16) | 16 (14) | 16 (15) | 15 (14) | 15 (13) | 15 (12) | 14 (14) | 0.000 |
| IHM, n (%) | 606 (8.85) | 581 (8.36) | 520 (7.43) | 496 (7.17) | 478 (7.39) | 465 (7.2) | 452 (6.99) | 472 (7.07) | 383 (5.99) | 395 (6.28) | 373 (5.92) | 0.000 |
| COPD | ||||||||||||
| N | 538 | 607 | 683 | 669 | 658 | 595 | 658 | 631 | 632 | 576 | 601 | 0.000 |
| Incidence | 2.69 | 3 | 3.32 | 3.18 | 3.06 | 2.72 | 2.96 | 2.8 | 2.77 | 2.5 | 2.58 | |
| Age, mean (SD) | 66.82 (8.34) | 67.44 (8.59) | 68.17 (8.38) | 68.55 (8.08) | 68.83 (8.5) | 68.7 (8.31) | 68.65 (8.21) | 68.78 (8.54) | 68.7 (8.49) | 69.14 (8.56) | 69.3 (8.45) | 0.000 |
| vMale, n (%) | 507 (94.24) | 564 (92.92) | 640 (93.7) | 626 (93.57) | 610 (92.71) | 555 (93.28) | 618 (93.92) | 590 (93.5) | 583 (92.25) | 536 (93.06) | 551 (91.68) | 0.864 |
| CCI 0,a n (%) | 296 (55.02) | 300 (49.42) | 302 (44.22) | 298 (44.54) | 279 (42.4) | 241 (40.5) | 281 (42.71) | 230 (36.45) | 217 (34.34) | 211 (36.63) | 211 (35.11) | 0.000 |
| CCI 1–2,a n (%) | 227 (42.19) | 289 (47.61) | 356 (52.12) | 339 (50.67) | 354 (53.8) | 334 (56.13) | 346 (52.58) | 380 (60.22) | 385 (60.92) | 331 (57.47) | 344 (57.24) | |
| CCI ≥3,a n (%) | 15 (2.79) | 18 (2.97) | 25 (3.66) | 32 (4.78) | 25 (3.8) | 20 (3.36) | 31 (4.71) | 21 (3.33) | 30 (4.75) | 34 (5.9) | 46 (7.65) | |
| LOS, median (IQR) | 18 (19) | 18 (18) | 19 (18) | 17 (18) | 18 (18) | 19 (18) | 17 (17) | 18 (16) | 16 (16) | 16 (15) | 16 (16) | 0.001 |
| IHM, n (%) | 57 (10.59) | 51 (8.4) | 64 (9.37) | 45 (6.73) | 48 (7.29) | 49 (8.24) | 54 (8.21) | 53 (8.4) | 38 (6.01) | 36 (6.25) | 36 (5.99) | 0.056 |
Notes:
a
CCI (Charlson comorbidity index): Comorbidities included in the CCI, except COPD and AMI. Incidence per 100,000. Incidence was calculated using the Spanish National Statistics Institute census projections, adjusted by sex and age.21
Abbreviations: AMI, acute myocardial infarction; n, number of procedures; IHM, in-hospital mortality; LOS, length of stay; SD, standard deviation; IQR, interquartile range.