Observational Study
Copyright ©The Author(s) 2021.
World J Gastroenterol. Apr 28, 2021; 27(16): 1816-1827
Published online Apr 28, 2021. doi: 10.3748/wjg.v27.i16.1816
Table 1 The time elapsed from surgery to completion of the questionnaires among different surgical procedures

Median (IQR), yr
Total gastrectomy3 (2-4)
Subtotal distal gastrectomy3 (2-4)
Billroth II reconstruction3 (1-4)
Roux-en-Y reconstruction2.5 (1-4)
Table 2 Baseline characteristics of patients eligible for inclusion (n = 234)

Respondents (n = 116)
Non-respondents (n = 118)
P value
Gender, n (%)0.192
Male63 (54.3)74 (62.7)
Female53 (45.7)44 (37.3)
Age at surgery (yr, median, IQR)66 (58-74)72 (63-78)0.016
Performed procedure, n (%)0.299
Total gastrectomy43 (37.1)55 (46.6)
Distal-Billroth II26 (22.4)20 (16.9)
Distal-Roux-Y47 (40.5)43 (36.4)
Postoperative complications, n (%)
Yes28 (24.1)38 (32.2)0.170
TNM stage, n (%)0.001
03 (2.6)4 (3.4)
I52 (44.8)25 (21.2)
II32 (27.6)36 (30.5)
III29 (25.0)53 (44.9)
Table 3 European Organization for Research and Treatment of Cancer Quality of Life Core Questionnaire (QLQ-C30) questionnaire scores by the type of resection (Mann-Whitney U test)

Subtotal gastrectomy (n = 73)
Total gastrectomy (n = 43)
P value

mean (SD)
Median (IQR)
mean (SD)
Median (IQR)

Functional scales
Physical functioning79.9 (21.4)87 (67-100)80.3 (19.5)87 (73-100)0.954
Role functioning80.2 (26.7)100 (67-100)77.9 (26.1)83 (67-100)0.509
Cognitive functioning81.9 (21.6)83 (67-100)82.9 (19.7)83 (67-100)0.842
Emotional functioning82.1 (20.5)92 (75-100)76.1 (21.5)79 (58-96)0.116
Social functioning81.5 (22.5)83 (67-100)73.7 (26)83 (50-100)0.115
Symptoms
Dyspnoea10.5 (22.1)0 (0-0)10.8 (21.5)0 (0-0)0.869
Insomnia28.7 (29.1)33 (0-33)27.8 (28.1)33 (0-33)0.917
Appetite loss10 (19.7)0 (0-0)12.3 (20.6)0 (0-33)0.489
Nausea/vomiting10.7 (17.4)0 (0-17)4.7 (9.8)0 (0-0)0.079
Constipation10.5 (22.1)0 (0-0)6.9 (13.6)0 (0-0)0.665
Diarrhoea13.6 (22.7)0 (0-33)19.3 (24.4)0 (0-33)0.141
Fatigue30.5 (23.3)22 (17-33)34.2 (23.4)33 (22-50)0.263
Pain18.3 (22.4)17 (0-33)17.9 (21.6)17 (0-33)0.906
Financial problems16.4 (26.7)0 (0-33)27.1 (32.8)0 (0-67)0.069
Global health status66.6 (22.9)67 (50-83)67.4 (19.9)67 (58-83)0.846
Table 4 European Organization for Research and Treatment of Cancer Quality of Life Core Questionnaire (QLQ-C30) questionnaire scores by the type of reconstruction (Mann-Whitney U test)

Billroth II (n = 26)
Roux-Y (n = 47)
P value

mean (SD)
Median (IQR)
mean (SD)
Median (IQR)

Functional scales
Physical functioning73.1 (23)73.5 (53-93)83.7 (19.6)92 (73-100)0.038
Role functioning70.5 (31.4)67 (50-100)85.5 (22.4)100 (67-100)0.034
Cognitive functioning76.9 (26.3)83 (67-100)84.7 (18.3)83 (83-100)0.301
Emotional functioning74.9 (27.7)83 (58-100)86 (14)92 (75-100)0.220
Social functioning79.5 (25.9)83 (67-100)82.6 (20.5)83 (67-100)0.792
Symptoms
Dyspnoea16.7 (30.3)0 (0-33)7 (15.4)0 (0-0)0.285
Insomnia37.1 (33.2)33 (0-67)24 (25.8)33 (0-33)0.102
Appetite loss12.8 (25.1)0 (0-33)8.4 (16.2)0 (0-0)0.651
Nausea/vomiting15.4 (22.1)0 (0-33)8.1 (13.8)0 (0-17)0.194
Constipation19.2 (31.5)0 (0-33)5.6 (12.5)0 (0-0)0.054
Diarrhoea14.1 (31.6)0 (0-0)13.3 (16.4)0 (0-33)0.200
Fatigue41 (28.6)33 (22-67)24.6 (17.5)22 (17-33)0.028
Pain28.9 (28.1)17 (0-50)12.4 (16.1)0 (0-17)0.010
Financial problems19.2 (28.6)0 (0-33)14.8 (25.8)0 (0-33)0.510
Global health status68.2 (24.7)67 (50-83)65.7 (22)67 (50-83)0.635
Table 5 Surgery type among different stages of the disease

Total gastrectomy, n (%)
Subtotal-Billroth II, n (%)
Subtotal-Roux-Y, n (%)
P value
Stage0.002
04 (4.1)3 (6.5)0 (0)
I25 (25.5)14 (30.4)38 (42.2)
II26 (26.5)10 (21.7)32 (35.6)
III43 (43.9)19 (41.3)20 (22.2)
Table 6 Association between surgery type and global health status scores adjusted for demographic and clinical characteristics

β (P value)
Male-0.11 (0.229)
Age (yr)-0.05 (0.625)
Total vs Billroth II-0.001 (0.990)
Roux-Y vs Billroth II-0.08 (0.492)
Postoperative complications-yes-0.15 (0.116)
Stage II/III vs 0/I-0.21 (0.029)
Table 7 Association between surgery type and scores on functional scales adjusted for demographic and clinical characteristics

Emotional
Social
Role
Physical
Cognitive

β
P value
β
P value
β
P value
β
P value
β
P value
Male0.010.9010.100.2540.090.3340.160.0890.040.666
Age (yr)0.090.3430.050.5570.080.379-0.090.3430.180.054
Total vs Billroth II0.040.729-0.110.3430.150.1990.150.2010.160.194
Roux-Y vs Billroth II0.240.0410.040.7630.240.0340.230.0480.170.154
Postoperative complications yes-0.030.730-0.130.150-0.150.101-0.100.2920.010.915
Saage II/III vs 0/I-0.170.062-0.200.031-0.270.003-0.160.079-0.090.324
Table 8 European Organization for Research and Treatment of Cancer Quality of Life Core Questionnaire gastric cancer-specific module (QLQ STO-22) questionnaire scores by the type of resection (Mann-Whitney U test)

Subtotal gastrectomy (n = 60)
Total gastrectomy (n = 51)
P value

mean (SD)
Median (IQR)
mean (SD)
Median (IQR)

Dysphagia11.1 (15.8)11 (0-11)17.2 (17.1)11 (0-33)0.020
Pain19.7 (17.9)17 (8-33)23.3 (20.9)17 (8-33)0.477
Reflux16 (20.9)11 (0-22)22.7 (23.6)11 (0-44)0.089
Eating restrictions14.7 (17.4)8 (0-17)21.6 (18.2)17 (8-33)0.017
Anxiety33.1 (23.4)33 (17-44)31.4 (25.8)22 (11-44)0.591
Dry mouth24.1 (28.5)33 (0-33)24.7 (28.3)33 (0-33)0.871
Taste6.4 (18.1)0 (0-0)11.6 (21.7)0 (0-33)0.109
Body image18.7 (29.9)0 (0-33)20.1 (27.4)0 (0-33)0.567
Hair loss16.4 (27.9)0 (0-33)8.7 (20.9)0 (0-0)0.124
Table 9 European Organization for Research and Treatment of Cancer Quality of Life Core Questionnaire gastric cancer-specific module (QLQ STO-22) questionnaire scores by the type of reconstruction (Mann-Whitney U test)

Billroth II (n = 18)
Roux-Y (n = 42)
P value

mean (SD)
Median (IQR)
mean (SD)
Median (IQR)

Dysphagia15.8 (22.3)5.5 (0-22)8.5 (10.2)11 (0-11)0.526
Pain24.3 (23.9)17 (8-33)17.2 (13.3)17 (8-25)0.471
Reflux28.5 (26.3)22 (0-44)9.1 (13)0 (0-11)0.001
Eating restrictions22.3 (22.8)17 (0-42)10.4 (11.7)8 (0-17)0.069
Anxiety36.6 (26.9)33 (22-55)31.2 (21.3)33 (11-44)0.541
Dry mouth23 (26.3)33 (0-33)24.7 (29.9)0 (0-33)0.965
Taste11.5 (26.6)0 (0-0)3.5 (10.3)0 (0-0)0.247
Body image26.8 (36.5)0 (0-33)14.1 (24.8)0 (0-33)0.127
Hair loss14.1 (27)0 (0-33)17.7 (28.6)0 (0-33)0.541