Table 5.
The datasetgreentea, which is included in the R package SAMURAI
| Study number | Study name | Year | Outlook | expt.mean | expt.sd | expt.n | ctrl.mean | ctrl.sd | ctrl.n |
|---|---|---|---|---|---|---|---|---|---|
| 1 |
Kataoka |
2004 |
published |
−1.3 |
1.7 |
71 |
−0.8 |
1.7 |
71 |
| 2 |
Takashima |
2004 |
published |
−1.6 |
1.9 |
10 |
−1.4 |
1.5 |
9 |
| 3 |
Diepvens |
2005 |
published |
−4.21 |
2.7 |
23 |
−4.19 |
1.3 |
23 |
| 4 |
Kajimoto |
2005 |
published |
−0.55 |
2.1 |
129 |
0.6 |
2 |
66 |
| 5 |
Kozuma |
2005 |
published |
−2.7 |
1.5 |
107 |
0.8 |
0.9 |
119 |
| 6 |
Hill |
2007 |
published |
0.08 |
0.9 |
19 |
−0.45 |
1.2 |
19 |
| 7 |
Nagao |
2007 |
published |
−1.7 |
1.5 |
123 |
−0.1 |
1.7 |
117 |
| 8 |
Auvichayapat |
2008 |
published |
−2.7 |
2.2 |
30 |
−2 |
9.7 |
30 |
| 9 |
Hsu |
2008 |
published |
−0.15 |
2 |
41 |
−0.03 |
1.9 |
37 |
| 10 |
Takase |
2008 |
published |
−2.9 |
1.2 |
44 |
0.1 |
0.7 |
45 |
| 11 |
Takeshita |
2008 |
published |
−1.1 |
1.3 |
40 |
−0.3 |
1.5 |
41 |
| 12 |
Maki |
2009 |
positive |
NA |
NA |
65 |
NA |
NA |
63 |
| 13 |
Suzuki |
2009 |
no effect |
NA |
NA |
18 |
NA |
NA |
20 |
| 14 | Wang | 2010 | no effect | NA | NA | 139 | NA | NA | 43 |
expt.n: Sample size of the experimental treatment arm.
ctrl.n: Sample size of the control/reference treatment arm.
expt.mean: Mean effect size within the experimental treatment group.
ctrl.mean: Mean effect size within the control/reference treatment group.
expt.sd: Standard deviation of effect size within the experimental treatment group.
ctrl.mean: Standard deviation of effect size within the control/reference treatment group.