Author  Year  Variable(s) with significance   n  Statistical analysis
Longfield  1995  Pain, fatigue, anxiety, energy  8  Paired t-tests
Gallagher  2001  Pain, mood, anxiety  90  Wilcoxcon signed rank test
Krout  2001  Pain, physical comfort, relaxation  80  One-tailed t-tests
Wlodarczyk  2003  Spirituality  10  Two-tailed Walsh test
Hilliard  2003  Quality of life  80  Repeated measures and two-way ANOVA; t-tests
Hilliard  2004  Time and duration of treatment; length of life  80  Independent samples t-test; paired samples t-test