By rray, 11 December, 2014 L:Low evidence quality - further research very likely to affect future recommendations
By rray, 11 December, 2014 M:Moderate evidence quality - further research likely to affect future recommendations
By rray, 11 December, 2014 H:High evidence quality - further research unlikely to alter confidence about efficacy
By rray, 11 December, 2014 WR:Weak recommendation - clinicians should examine evidence, debate required
By rray, 11 December, 2014 SR:Strong recommendation - most pts should receive tx, applies to most clinical situations