Table 3.

Weighted mean effect of exercise modulating CRF by type of cancer

d+ (95%CI)Homogeneity of ds
Type of cancerkFixed-effectsRandom-effectsQPI2 (95% CI)
All cancers44a0.312 (0.249–0.375)0.310 (0.217–0.403)93.37<0.00150% (30–64)
Breast25b0.388 (0.303–0.472)0.391 (0.268–0.514)47.16<0.00142% (10–63)
Prostate4c0.420 (0.270–0.570)0.420 (0.270–0.570)3.150.5330% (0–96)
Lymphoma40.199 (−0.025 to 0.425)0.199 (−0.025 to 0.425)2.320.5080% (0–99)
Colorectal10.057 (−0.469 to 0.583)
Leukemia10.779 (−0.141 to 1.700)

NOTE: Weighted mean effect size values (d+) are positive when the exercise intervention was successful in reducing CRF compared with standard care. k, number of studies.

  • a44 studies provided a total of 48 effect sizes.

  • b25 studies provided a total of 28 effect sizes.

  • c4 studies provided a total of 5 effect sizes.