TABLE 5.

Randomized, controlled trials not included in this meta-analysis

Eligible studies unable to provide individual patient data
Devereux, 2011 – Data destroyed because of time elapsed
Gill, 2015 – Data lost
Millar, 2008 – Data destroyed because of time elapsed
Pagonas, 2016 – Refused to participate
Taylor, 2003 – Data destroyed because of time elapsed
Wiley, 1992 – Unable to contact author

Noneligible RCTS	Reason for exclusion
Ash, 2017	Sub-set analysis of larger trial

RCTs, randomized controlled trials.