Table: Comparison of 2011 and 2013 asthma guideline usage for those 72 countries participating in both surveys.
2011 2013
Not using guidelines 14 (19%) 5 (7%)
Using guidelines 58 (81%) 67 (93%)
Using a national guideline 55 (76%) 52 (72%)
Multiple guidelines 1 (1%) 11 (15%)
Guidelines with no industry support* 31 (43%) 33 (46%)
Guidelines with industry support* 26 (36%) 35 (49%)
Guidelines with industry not specified 5 (7%) 10 (14%)