Multicenter Phase 2 Study about the Safety of No Antimicrobial Prophylaxis Use in Low-Risk Patients Undergoing Laparoscopic Distal Gastrectomy for Gastric Carcinoma (KSWEET-01 Study)

Table 1

Patient characteristics.

	Patients ()
Age (years)	51.6 ± 8.3
Gender
Male	70 (66.7)
Female	35 (33.3)
BMI (kg/m^2)	24.7 ± 3.6
ASA status
1	90 (85.7)
2-3	15 (12.4)
Comorbidity	41 (39.0)
Abdominal operation history	19 (18.1)
Preoperative hemoglobin
Mean	14.4 ± 1.4
<12 g/dl	5
≥12 g/dl	100
Preoperative albumin
Mean	4.7 ± 0.4
<3.1 g/dl	0
≥3.1 g/dl	105
Operative approach
Totally laparoscopic	102 (97.1)
Laparoscopy assisted	3 (2.9)
Reconstruction
Billroth I	5 (4.8)
Billroth II	50 (47.6)
Roux-en-Y	50 (47.6)
Lymphadenectomy
D1+	67 (63.9)
D2	38 (36.2)
Omentectomy
Partial	97 (92.4)
Complete	8 (7.6)
Operating time (min)	213 ± 62
Operative blood loss (ml)	43 ± 34
Harvested lymph nodes	52 ± 18
Tumor location
Lower	69 (65.7)
Middle	36 (34.3)
Tumor depth
T1a	61 (58.1)
T1b	36 (34.3)
T2	3 (2.9)
T3	4 (3.8)
T4a	1 (1.0)
Nodal metastasis
N0	98 (93.3)
N1	6 (5.7)
N3a	1 (1.0)

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