Surgical Metabolism and Nutrition : eISSN 2465-8383 / pISSN 2233-5765

Table. 2.

Table. 2.

Characteristics of the two groups

Pre-op PNI<43.7 (n=144)Pre-op PNI≥43.7 (n=7870)P-value
Age (years)65.9±11.157.0±11.6<0.001
Sex0.856
 Male93 (64.6)5025 (63.9)
 Female51 (35.4)2845 (36.1)
Preoperative body weight (kg)59.9±9.964.5±10.6<0.001
BMI (kg/m2)23.3±3.224.1±3.0<0.001
ASA score<0.001
 129 (20.1)3684 (46.8)
 290 (62.5)4035 (51.3)
 325 (17.4)151 (1.9)
Preoperative albumin level (g/dL)3.4±0.34.4±0.3<0.001
Preoperative hemoglobin level (g/dL)11.5±2.014.0±1.6<0.001
Preoperative total protein level (g/dL)6.1±0.77.0±0.5<0.001
Preoperative cholesterol level (mg/dL)152.0±34.8186.0±35.9<0.001
Preoperative PNI40.7±2.855.1±4.8NA
Resection extent0.683
 Subtotal gastrectomy118 (81.9)6550 (83.2)
 Total gastrectomy26 (18.1)1320 (16.8)
Surgical approach<0.001
 Open139 (96.5)6069 (77.1)
 Minimally invasive5 (3.5)1801 (22.9)
Tumor location in the stomach0.830
 Lower86 (59.7)4508 (57.3)
 Middle44 (30.6)2410 (30.6)
 Upper14 (9.7)946 (12.0)
 Whole0 (0.0)6 (0.1)
Tumor size (cm)4.2±2.83.0±1.9<0.001
T stage<0.001
 T1103 (71.5)7023 (89.2)
 T224 (16.7)674 (8.6)
 T317 (11.8)173 (2.2)
N stage0.797
 N0137 (95.1)7570 (96.2)
 N16 (4.2)263 (3.3)
 N21 (0.7)37 (0.5)
WHO classification<0.001
 Differentiated98 (68.1)3351 (42.6)
 Undifferentiated46 (31.9)4519 (57.4)
Lauren classification<0.001
 Intestinal99 (68.8)3577 (45.5)
 Diffuse33 (22.9)3401 (43.2)
 Mixed12 (8.3)892 (11.3)

Pre-op = preoperative; PNI = prognostic nutritional index; BMI = body mass index; ASA = American Society of Anesthesiologists; WHO = World Health Organization.

Surg Metab Nutr 2019;10:59-65 https://doi.org/10.18858/smn.2019.10.2.59
© 2019 Surg Metab Nutr