Research Article

Association of Sarcopenia and Low Nutritional Status with Unplanned Hospital Readmission after Radical Gastrectomy in Patients with Gastric Cancer: A Case-Control Study

Table 2

Characteristics of the readmission and non-readmission groups before and after propensity score matching.

VariableBefore matchingAfter matching
Readmission group (n = 43)Non-readmission group (n = 614)Readmission group (n = 43)Non-readmission group (n = 43)

Age, years, n (%)0.1480.110
<6525 (58.1)287 (46.7)25 (58.1)32 (74.4)
≥6518 (41.9)327 (53.3)18 (41.9)25 (58.1)
Sex, male, n (%)32 (74.4)462 (75.2)0.90432 (74.42)25 (58.1)0.110
BMI, kg/m2, n (%)0.0860.162
<18.57 (16.3)48 (7.8)7 (16.3)3 (7.0)
18.5–23.920 (46.5)378 (61.6)20 (46.5)16 (37.2)
≥23.916 (37.2)188 (30.6)16 (37.2)24 (55.8)
NRS 2002 score, n (%)0.0010.001
<315 (34.9)370 (60.3)15 (34.9)33 (76.7)
≥328 (62.1)244 (39.7)28 (62.1)10 (23.3)
ASA grade, n (%)0.3620.059
I7 (16.3)78 (12.7)7 (16.3)7 (16.3)
II25 (58.1)432 (70.4)25 (58.1)33 (76.7)
III11 (25.6)102 (16.6)11 (25.6)3 (7.0)
IV02 (0.3)00
Preoperative hemoglobin (g/L)127 ± 21119 ± 210.435127 ± 21131 ± 140.251
Preoperative albumin (g/L)38.5 ± 5.737.9 ± 4.60.51638.5 ± 5.741.2 ± 3.60.010
Surgical approach, n (%)0.7020.159
Open surgery33 (76.7)455 (74.1)33 (76.7)27 (62.8)
Laparoscopy10 (23.3)159 (25.9)10 (23.3)16 (37.2)
Type of resection, n (%)0.2080.268
Subtotal gastrectomy24 (55.8)401 (65.3)24 (55.8)29 (67.4)
Total gastrectomy19 (44.2)213 (34.7)19 (44.2)14 (32.6)
Type of reconstruction, n (%)0.1900.190
Roux-en-Y23 (53.5)253 (41.2)23 (53.5)16 (37.2)
Billroth I8 (18.6)106 (17.3)8 (18.6)20 (46.5)
Billroth II12 (27.9)255 (41.5)12 (27.9)7 (16.3)
TNM stage, n (%)0.7350.684
Tis06 (1.0)00
I15 (34.9)201 (32.7)15 (34.9)15 (34.9)
II7 (16.3)135 (22.0)7 (16.3)10 (23.3)
III21 (48.8)270 (44.0)21 (48.8)18 (41.9)
IV02 (0.3)00
Previous abdominal surgery, n (%)9 (20.9)66 (10.8)0.0759 (20.9)3 (7.0)0.062
Duration of surgery, n (%)0.0680.596
<3.0 hours8 (18.6)196 (31.9)8 (18.6)10 (23.3)
≥3.0 hours35 (81.4)418 (68.1)35 (81.4)33 (76.7)
Major postoperative complication, n (%)Grade III or IV24 (55.8)168 (27.4)<0.00124 (55.8)28 (65.1)0.051
Sarcopenia, n (%)25 (58.1)118 (19.2)0.00125 (58.1)8 (18.6)0.001

BMI: body mass index; NRS: nutritional risk score; ASA: American Society of Anesthesiologists score.