Table 1.
The association of postoperative mortality and morbidity with malnutrition evaluated with albumin level, body weight loss and body mass index
| Postop outcome | Albumin (g/dl) | BWL | BMI (kg/m2) |
|---|---|---|---|
| > = 3.5 / <3.5 | No / Yes | 18.5–29.9 / <18.5 | |
| n = 30869 / n = 11614 | n = 39454 / n = 3029 | n = 27775 / n = 1338 | |
| 30-day mortality | 325(1.1) / 670(5.8)** | 861(2.2) / 134(4.4)** | 652(2.3) / 79(5.9)** |
| Superficial SSI | 2061(6.7) / 921(7.9)** | 2759(7) / 223(7.4) | 1642(5.9) / 57(4.3)* |
| Deep SSI | 420(1.4) / 238(2.0)** | 604(1.5) / 54(1.8) | 360(1.3) / 20(1.5) |
| Organ SSI | 1305(4.2) / 545(4.7)* | 1678(4.3) / 172(5.7)** | 1240(4.5) / 55(4.1) |
| UTI | 977(3.2) / 548(4.7)** | 1373(3.5) / 152(5)** | 962(3.5) / 56(4.2) |
| Wound disruption | 376(1.2) / 209(1.8)** | 532(1.3) / 53(1.7) | 325(1.2) / 22(1.6) |
| Pneumonia | 627(2) / 535(4.6)** | 1038(2.6) / 124(4.1)** | 807(2.9) / 62(4.6)** |
| Re-intubation | 520(1.7) / 506(4.4)** | 907(2.3) / 119(3.9)** | 636(2.3) / 49(3.7)* |
| Ventilator > 48 h | 448(1.5) / 511(4.4)** | 859(2.2) / 100(3.3)** | 562(2.0) / 52(3.9)** |
| PE | 243(0.8) / 135(1.2)** | 354(0.9) / 24(0.8) | 221(0.8) / 10(0.7) |
| DVT | 348(1.1) / 335(2.9)** | 599(1.5) / 84(2.8)** | 438(1.6) / 22(1.6) |
| PRI | 251(0.8) / 153(1.3)** | 365(0.9) / 39(1.3)* | 222(0.8) / 6(0.4) |
| ARF | 165(0.5) / 141(1.2)** | 278(0.7) / 28(0.9) | 159(0.6) / 11(0.8) |
| Stroke | 81(0.3) / 99(0.9)** | 156(0.4) / 24(0.8)* | 131(0.5) / 8(0.6) |
| CPR | 144(0.5) / 142(1.2)** | 254(0.6) / 32(1.1)* | 188(0.7) / 13(1.0) |
| MI | 223(0.7) / 150(1.3)** | 334(0.8) / 39(1.3)* | 258(0.9) / 11(0.8) |
| Transfusion | 2835(9.2) / 2543(21.9)** | 4735(12.0) / 643(21.2)** | 3505(12.6) / 255(19.1)** |
| Sepsis | 1056(3.4) / 668(5.8)** | 1534(3.9) / 190(6.3)** | 1092(3.9) / 55(4.1) |
| Septic shock | 380(1.2) / 407(3.5)** | 710(1.8) / 77(2.5)* | 481(1.7) / 44(3.3)** |
| Return to OR | 1544(5.0) / 792(6.8)** | 2126(5.4) / 210(6.9)** | 1473(5.3) / 94(7.0)* |
Values in parentheses are percentage
*p < 0.05, **p < 0.001, chi-square test
BWL, body weight loss; BMI, body mass index; SSI, surgical site infection; UTI, urinary tract infection; PE, pulmonary embolism; DVT, deep vein thrombosis; PRI, progressive renal insufficiency; ARF, acute renal failure; CPR, cardiopulmonary resuscitation; MI, myocardial infarction; OR, operation room