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Table 1 The association of postoperative mortality and morbidity with malnutrition evaluated with albumin level, body weight loss and body mass index

From: Preoperative malnutrition assessments as predictors of postoperative mortality and morbidity in colorectal cancer: an analysis of ACS-NSQIP

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)*
  1. Values in parentheses are percentage
  2. *p < 0.05, **p < 0.001, chi-square test
  3. 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