Table 3.
Pooled survival rates (%) of gastric cancer in retrospective and prospective
| Categories | One-year |
Two-year |
Three-year |
Five-year |
|||||
|---|---|---|---|---|---|---|---|---|---|
|
|
|
N
|
SR (95% CI)
|
N
|
SR (95% CI)
|
N
|
SR (95% CI)
|
N
|
SR (95% CI)
|
|
Histological type
|
GA |
64 |
71.7 (68.0-75.4) |
33 |
54.7 (46.5-62.9) |
58 |
52.6 (47.8-57.5) |
69 |
45.0 (40.0-50.0) |
|
|
SRCC |
2 |
66.8 (59.3-74.3) |
NA |
NA |
3 |
38.2 (3.7-72.6) |
2 |
28.7 (0-83.6) |
|
|
MC |
1 |
99.0 (85.2-112.8) |
NA |
NA |
1 |
50.0 (0-119.3) |
2 |
33.8 (0-100.4) |
|
|
Tubular |
NA |
NA |
NA |
NA |
NA |
NA |
1 |
56.0 (52.4-59.6) |
|
|
|
|
|
|
|
|
|
|
|
|
TNM stage
|
I |
16 |
98.4 (97.4-99.3) |
5 |
81.0 (67.6-94.5) |
25 |
91.3 (88.6-94.0) |
41 |
83.9 (81.2-86.7) |
|
|
II |
19 |
94.2 (92.2-96.3) |
8 |
73.2 (61.7-84.7) |
28 |
73.2 (68.5-77.9) |
45 |
61.5 (58.0-64.9) |
|
|
III |
26 |
80.6 (77.0-84.3) |
13 |
54.0 (36.5-71.5) |
35 |
43.6 (39.8-47.4) |
56 |
31.9 (28.9-34.8) |
|
|
IV |
32 |
54.2 (45.9-62.5) |
18 |
24.6 (15.7-33.5) |
25 |
12.3 (8.1-16.5) |
28 |
9.1 (6.5-11.7) |
|
|
I/II |
4 |
95.9 (92.7-99.2) |
1 |
96.0 (91.5-100.5) |
6 |
71.0 (54.0-88.0) |
13 |
65.7 (55.6-75.8) |
|
|
II/III |
15 |
84.0 (80.0-88.0) |
7 |
64.9 (56.5-73.3) |
19 |
56.2 (50.8-61.5) |
7 |
50.5 (30.7-70.3) |
|
|
III/IV |
23 |
60.4 (49.8-70.9) |
17 |
43.2 (31.7-54.6) |
14 |
38.2 (24.7-51.6) |
12 |
29.6 (17.8-41.4) |
|
|
I/II/III |
7 |
93.8 (90.4-97.2) |
3 |
83.5 (70.9-96.1) |
8 |
66.2 (57.4-75.0) |
5 |
45.9 (13.6-78.2) |
|
|
II/III/IV |
10 |
74.8 (63.2-86.4) |
4 |
70.6 (64.9-76.3) |
6 |
51.9 (41.2-62.7) |
3 |
46.7 (39.9-53.4) |
|
|
I/II/III/IV |
2 |
72.5 (53.9-91.1) |
2 |
75.3 (67.4-83.1) |
3 |
50.2 (25.9-74.4) |
3 |
47.7 (0.6-94.1) |
|
|
|
|
|
|
|
|
|
|
|
|
Borrmann style
|
I |
5 |
93.2 (87.8-98.5) |
2 |
96.4 (90.7-102.2) |
6 |
75.0 (60.5-89.4) |
16 |
55.9 (43.1-68.7) |
|
|
II |
5 |
91.8 (88.0-95.6) |
2 |
74.6 (55.0-94.2) |
6 |
73.4 (65.5-81.2) |
16 |
52.3 (45.2-59.5) |
|
|
III |
5 |
77.6 (61.4-93.8) |
2 |
77.7 (67.9-87.5) |
6 |
47.7 (31.9-63.4) |
16 |
35.7 (29.1-42.3) |
|
|
IV |
5 |
73.0 (49.6-96.4) |
2 |
50.0 (23.8-76.2) |
6 |
29.2 (22.8-35.5) |
17 |
20.5 (15.0-26.0) |
|
|
I/II |
NA |
NA |
1 |
62.0 (52.5-71.5) |
2 |
87.6 (82.3-92.9) |
3 |
59.6 (50.5-68.7) |
|
|
II/III |
NA |
NA |
NA |
NA |
NA |
NA |
1 |
55.0 (49.5-60.5) |
|
|
III/IV |
NA |
NA |
1 |
45.0 (37.7-52.3) |
2 |
45.5 (38.4-52.7) |
3 |
38.1 (25.2-51.1) |
|
|
|
|
|
|
|
|
|
|
|
|
Location
|
Upper |
14 |
84.6 (80.1-89.2) |
6 |
64.5 (54.5-74.6) |
24 |
52.7 (46.4-58.9) |
40 |
43.6 (38.7-48.5) |
|
|
Middle |
10 |
96.4 (80.1-92.8) |
5 |
61.2 (41.2-81.1) |
14 |
57.8 (51.4-64.3) |
36 |
47.6 (42.1-53.1) |
|
|
Lower |
14 |
88.4 (85.0-91.8) |
5 |
68.2 (57.4-78.9) |
20 |
61.1 (53.7-68.5) |
36 |
51.5 (46.5-56.5) |
|
|
Entire |
3 |
76.1 (67.0-85.2) |
3 |
22.4 (0.3-44.5) |
4 |
55.5 (23.0-87.9) |
9 |
22.6 (18.6-26.5) |
|
|
Mixed |
4 |
70.6 (48.4-92.8) |
1 |
67.0 (54.8-79.2) |
7 |
46.4 (27.0-65.9) |
12 |
36.1 (24.8-47.4) |
|
|
EGJ |
3 |
76.3 (42.6-110.1) |
2 |
45.4 (0-97.3) |
8 |
49.3 (32.8-65.9) |
10 |
47.2 (22.5-71.9) |
|
|
|
|
|
|
|
|
|
|
|
|
Site
|
Cardia |
6 |
84.8 (76.2-93.4) |
2 |
70.2 (40.8-99.6) |
10 |
48.1 (37.9-58.2) |
11 |
45.5 (35.0-56.0) |
|
|
Cardia/Fundus |
1 |
87.0 (79.6-94.4) |
1 |
60.0 (46.0-74.0) |
2 |
54.9 (35.7-74.2) |
3 |
52.7 (45.1-60.2) |
|
|
Fundus |
1 |
97.0 (93.6-100.4) |
NA |
NA |
2 |
56.8 (31.4-82.3) |
3 |
42.9 (17.6-68.1) |
|
|
Body |
7 |
87.4 (79.8-94.9) |
3 |
73.1 (53.8-92.5) |
10 |
53.3 (42.9-63.7) |
17 |
43.9 (37.7-50.1) |
|
|
Body/Antrum |
NA |
NA |
1 |
67.0 (54.8-79.2) |
2 |
61.5 (51.7-71.3) |
NA |
NA |
|
|
Antrum |
9 |
86.3 (80.5-92.1) |
3 |
71.0 (52.5-89.5) |
1 |
58.8 (48.3-69.3) |
15 |
48.6 (40.7-56.6) |
|
|
Angle |
NA |
NA |
NA |
NA |
1 |
81.0 (65.9-96.1) |
1 |
27.0 (9.9-44.1) |
|
Gastric stump
|
|
|
|
|
|
|
|
|
|
|
|
19 |
69.5 (59.8-79.2) |
2 |
32.8 (46.3-49.4) |
19 |
38.2 (30.6-45.9) |
17 |
22.2 (15.6-28.8) |
|
|
|
|
|
|
|
|
|
|
|
|
|
Metastasis
|
N0 |
13 |
93.4 (90.6-96.3) |
1 |
98.0 (94.2-101.8) |
24 |
78.6 (72.9-84.4) |
45 |
67.8 (62.8-72.7) |
|
|
N1/N2/N3 |
17 |
74.2 (67.7-80.8) |
4 |
43.1 (21.2-65.0) |
27 |
49.7 (42.3-57.1) |
55 |
39.6 (35.0-43.6) |
|
|
M1 |
30 |
53.4 (43.7-63.0) |
15 |
24.7 (12.7-36.7) |
18 |
16.5 (10.3-22.6) |
18 |
8.4 (5.1-11.7) |
|
|
|
|
|
|
|
|
|
|
|
|
Therapy
|
Surgery (S) |
137 |
82.4 (80.6-84.2) |
59 |
62.5 (54.9-70.0) |
149 |
57.5 (53.3-61.6) |
157 |
46.3 (42.9-49.8) |
|
|
Chemotherapy (C) |
53 |
61.0 (54.9-67.0) |
26 |
46.2 (35.7-56.7) |
26 |
53.7 (47.5-59.8) |
16 |
42.3 (30.9-53.6) |
|
|
Radiation (R) |
2 |
38.9 (0-81.1) |
NA |
NA |
NA |
NA |
NA |
NA |
|
|
S+C |
75 |
77.6 (74.4-80.8) |
39 |
55.3 (48.4-62.2) |
72 |
55.5 (50.3-60.7) |
46 |
44.7 (39.9-49.6) |
|
|
S+R |
2 |
77.3 (49.8-104.7) |
1 |
73.0 (64.0-82.0) |
1 |
64.0 (54.3-73.7) |
NA |
NA |
|
|
C+R |
5 |
58.3 (51.4-65.2) |
3 |
35.1 (16.4-53.8) |
NA |
NA |
NA |
NA |
| S+C+R | 5 | 79.6 (76.0-83.1) | 4 | 51.9 (33.6-70.3) | 5 | 37.5 (14.7-60.2) | 4 | 32.9 (3.8-62.0) | |
N – numbers of included studies, SR – survival rate, CI – confidence interval, NA – not available, Combined – two or more styles, GA – gastric adenocarcinoma, SRCC – signet ring cell carcinoma, MC – mucinous adenocarcinoma, Tubular – tubular adenocarcinoma, TNM stage – tumour node metastasis stage, S+C, surgery + chemo; S+R – surgery + radiation, C+R – chemo + radiation, S+C+R – surgery + chemo + radiation, upper – upper one-third of the stomach, middle – middle one-third of the stomach, low – low one-third of the stomach, entire – entire stomach, mixed – two-third or more of the stomach, EGJ – esophagogastric junction