Preoperative Anemia or Low Hemoglobin Predicts Poor Prognosis in Gastric Cancer Patients: A Meta-Analysis
Table 1
The baseline characteristics and design variables of included studies on preoperative anemia and gastric cancer prognosis.
Article
Country
Year
Study type
Number of patients (M/F)a
Age: (range)b
Rate of anemia (/)c
Follow-up: (range)d
Outcome measured
Study quality
Liu
China
2018
Cohort
2163 (1442/721)
Median: 58 (14-89)
314/1035
Median: 28 (3-185)
OS
7
Wang
China
2018
Cohort
859 (672/187)
Median: 64 (IQR: 16)
434/859
Median: 60.9
DFS, OS
6
Chen
China
2017
Cohort
292 (205/87)
Mean: 57 (range: 28-77)
144/292
NR
DFS, OS
6
Xue
China
2017
Cohort
269 (202/67)
Mean: 65.77 (95% CI: 64.42-67.12)
84/269
Median: 40 (1-108)
OS
8
Wu
China
2017
Cohort
210 (128/82)
Median: 60 (36-79)
53/210
60
DFS
8
Lee
Korea
2017
Cohort
309 (77/232)
Median: 60 (29-82)
NR
Median: 33.8 (2.6-67.5)
DFS, OS
6
Hu
China
2017
Cohort
3012 (2239/773)
Range: 51-68
NR
Median: 44.05 (1.1-183.3)
OS
6
Qian
China
2016
Cohort
579 (405/174)
Median: 58 (18-85)
252/579
Median: 44 (12-81)
OS
7
Cui
China
2016
Cohort
1150 (817/333)
Range: 23-93
NR
Median: 40
OS
6
Eo
Korea
2015
Cohort
299 (195/104)
Median: 59 (25-92)
NR
Median: 37.2 (1.7-91.4)
DFS, OS
8
Zhou
China
2014
Cohort
605 (405/200)
Mean:
90/605
Median: 35.4 (1-78)
OS
7
Rausei
Italy
2013
Cohort
224 (147/77)
Mean:
111/224
Median: 48
OS
5
Mohri
Japan
2010
Cohort
357 (245/112)
Mean: 63.4 (range: 32-87)
NR
Median: 68 (1-70)
OS
6
Gorbunov
Czech Republic
2005
Cohort
283 (182/101)
NR
179/283
Mean: 73.2 (range: 12-132)
OS
6
Shen
Korea
2005
Cohort
1688 (1162/526)
Mean: (range: 22-85)
673/1688
Median: 85 (range: 0-138)
DFS, OS
8
Wu
Taiwan
1997
Cohort
510 (420/90)
NR
84/510
NR
OS
6
Jatzko
Austria
1995
Cohort
345 (221/124)
Mean: 67 ± 0.57
45/339
Mean: 65.5
OS
7
aM/F presents the number of males and females, respectively. bThe age of patients was summarized as mean with standard deviation or median with range. cThe rate of patients with preoperative anemia. dThe follow-up period was summarized as mean with standard deviation or median with range. Abbreviations: DFS: disease-free survival; IQR: interquartile range; M/F: males/females; NR: not reported; OS: overall survival; SD: standard deviation.
