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. 2023 Mar 15;158(5):445–454. doi: 10.1001/jamasurg.2023.0096

Figure 3. Subgroup Analysis of Relapse-Free Survival .

Figure 3.

BMI indicates body mass index; HR, hazard ratio; LADG, laparoscopy-assisted distal gastrectomy; MP, muscularis propria; N, node; ODG, open distal gastrectomy; SE, serosal exposure; SS, subserosa; T, tumor.

aCalculated as weight in kilograms divided by height in meters squared.

bClinical stage indicates the following: stage IB, T1N1M0 or T2N0M0; stage II, T1N2M0 or T1N3M0 or T2N1M0 or T2N2M0 or T3N0M0; stage III, T2N3M0 or T3N2-3M0 or T4N1-N3M0.

cClinical N category indicates the following: N0, no regional lymph node metastasis; N+, metastasis in lymph nodes. Pathological N category indicates the following: N0, no regional lymph node metastasis; N1, metastasis in 1 to 2 regional lymph nodes; N2, metastasis in 3 to 6 regional lymph nodes; N3, metastasis in 7 or more regional lymph nodes.

dClinical and pathological T category indicates the following: T2, tumor invasion of MP; T3, tumor invasion of SS; T4, SE or tumor invades adjacent structures.