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Proportion of treated patients with not well-controlled asthma (▓) and at least well-controlled (▪) asthma in 2006, 2008 and 2010 in a) France, b) Germany, c) Italy, d) Spain and e) the UK. ns: nonsignificant. #: p=0.033; ¶: p=0.005; +: p=0.021; §: p=0.01.
