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. 2010 Dec 8;2010(12):CD006387. doi: 10.1002/14651858.CD006387.pub2

3. Sensitivity analyses: altered fractionation versus conventional radiotherapy.

  All trials Trials assessed as being at low risk of bias
Total mortality HR 0.86 (95% CI 0.76 to 0.98)
(13 trials)		 HR 0.93 (95% CI 0.80 to 1.07)
(5 trials)
Locoregional control HR 0.79 (95% CI 0.70 to 0.89)
(11 trials)		 HR 0.79 (95% CI 0.68 to 0.91)
(4 trials)
Disease free survival HR 0.85 (95% CI 0.70 to 1.03)
(8 trials)		 HR 0.95 (95% CI 0.0.74 to 1.22)*
(2 trials)

*Fixed‐effect model due to limited number of trials. 
 CI = confidence interval; HR = hazard ratio.