Meta-analysis based on stage of treatment
| Tools | Groups | Studies (n) | Effect size and 95% CI | Test of null (two-tailed) | |||||
| Point estimate | SE | Variance | Lower limit | Upper limit | Z value | P value | |||
| Other tools | Treated | 21 | 64.19 | 4.21 | 17.69 | 55.95 | 72.44 | 15.26 | 0.00 |
| Under treatment | 22 | 62.77 | 2.14 | 4.60 | 58.57 | 66.98 | 29.28 | 0.00 | |
| FACT-B | Treated | 11 | 84.35 | 12.76 | 162.73 | 59.35 | 109.35 | 6.61 | 0.00 |
| Under treatment | 6 | 84.46 | 22.39 | 501.33 | 40.58 | 128.35 | 3.77 | 0.00 | |