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Prospective Study
Copyright: ©Author(s) 2026.
World J Gastroenterol. Apr 28, 2026; 32(16): 117799
Published online Apr 28, 2026. doi: 10.3748/wjg.v32.i16.117799
Table 1 Comparison of general data of gastric cancer patients in two groups, n (%)/median (interquartile range)/mean ± SD
Variables
SMIS (n = 20)
ORS (n = 18)
P value
Gender0.164
Male18 (90)13 (72)
Female2 (10)5 (28)
Age (years)61 (55.5, 72)60.5 (46.5 65)0.219
BMI (kg/m2)24.95 (23.6, 27.25)22.95 (21.15, 26.05)0.106
Smoking history7 (35)7 (39)1.000
History of alcohol use10 (50)9 (50)1.000
History of Helicobacter pylori infection3 (15)3 (17)1.000
Hypertension10 (50)6 (33)0.342
Diabetes5 (25)4 (22)1.000
Coronary heart disease, pre-operative blood test4 (20)1 (6)0.344
White blood cells (× 109/L)6.085 (5.515, 7.57)5.57 (4.385, 7.185)0.148
Neutrophils (× 109/L)0.558 ± 0.7210.608 ± 0.9490.076
Lymphocytes (× 109/L)0.335 ± 0.7290.293 ± 0.8530.12
Monocytes (× 109/L)0.0775 (0.065, 0.088)0.074 (0.057, 0.082)0.342
Previous medication history1.000
Anti-inflammatory drugs (anticoagulants, anti-platelet drugs, non-steroidal anti-inflammatory drugs, hormonal drugs)2 (10)1 (5.6)
No anti-inflammatory medication18 (90)17 (94.4)
Table 2 Comparison of clinical characteristics and treatment options data, n (%)/median (interquartile range)

SMIS (n = 20)
ORS (n = 18)
P value
Tumor pathology type< 0.001
Severe atypical hyperplasia (high-grade intraepithelial neoplasia)4 (20)0
High-grade intraepithelial neoplasia with carcinoma9 (45)0
Moderately differentiated adenocarcinoma3 (15)0
Poorly differentiated adenocarcinoma06 (33.3)
Low and intermediate grade glandular cancer2 (10)3 (16.7)
Signet ring cell carcinoma1 (5)0
Low-to-moderately differentiated adenocarcinoma combined with signet ring cell carcinoma04 (20)
Undifferentiated adenocarcinoma combined with signet ring cell carcinoma1 (5)5 (25)
Number of types of antibiotics used 0.03829
Use of 1 antibiotic9 (45)2 (11)
Use of 2 antibiotics4 (20)7 (39)
Use of 3 antibiotics5 (25)9 (50)
Use of 4 antibiotics00
No antibiotics used2 (10)0
Duration of antibiotic use2 (2, 3)6 (5.5, 7)< 0.001
Postoperative analgesia< 0.001
Yes2 (10)17 (94.4)
No18 (90)1 (5.6)
Length of stay after surgery5 (5, 7)7 (6, 7.5)0.002849
Hospitalization costs24710.9 (20873.79, 31738.355)93442.45 (84969.0, 101357.365)< 0.001
Postoperative temperature0.01544
Low-grade fever (37.3-38.0 °C)1 (5)7 (38.9)
Medium fever (38.1-39.0 °C)2 (10)1 (5.6)
High fever (> 39.1 °C)01 (5.6)
Normal temperature17 (85)9 (50)