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. Author manuscript; available in PMC: 2023 Sep 1.
Published in final edited form as: J Surg Oncol. 2022 Apr 26;126(3):479–489. doi: 10.1002/jso.26895

Table II.

Hospital Characteristics by Hospital Adherence Category

Hospital Adherence Rate Category
Quartile 1
n = 144
Quartile 2
n = 146
Quartile 3
n = 142
Quartile 4
n = 144
P value1

Hospital Adherence Rate, Median (Range) 11% (0 – 16%) 21% (16 – 35%) 30% (25 – 35%) 43% (35 – 76%)

Facility Type <0.001
 Community Cancer Program 10 (6.9) 4 (2.7) 3 (2.1) 2 (1.4)
 Comprehensive Community Cancer Program 77 (53.5) 54 (37.0) 37 (26.1) 33 (22.9)
 Academic/Research Program 14 (9.7) 26 (17.8) 38 (26.8) 47 (32.6)
 Integrated Network Cancer Program 13 (9.0) 15 (10.3) 19 (13.4) 13 (9.0)
Hospital Region 0.021
 Northeast 29 (20.1) 19 (13.0) 32 (22.5) 39 (27.1)
 Midwest or North Central 26 (18.1) 24 (16.4) 26 (18.3) 16 (11.1)
 South 46 (31.9) 37 (25.3) 31 (21.8) 23 (16.0)
 West 13 (9.0) 19 (13.0) 8 (5.6) 17 (11.8)
Hospital Volume Quartile2 <0.001
 Q1: 25 – 32 53 (36.8) 49 (33.6) 32 (22.5) 16 (11.1)
 Q2: 33 – 46 48 (33.3) 38 (26.0) 37 (26.1) 22 (15.3)
 Q3: 47 – 75 35 (24.3) 42 (28.8) 34 (23.9) 27 (18.8)
 Q4: 76 – 789 8 (5.6) 17 (11.6) 39 (27.5) 79 (54.9)
1

P value based on F test using ANOVA model.

2

Hospital volume quartile based on the number of gastric cancer patients at each facility over the entire study period