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. 2021 Apr 16;22:108. doi: 10.1186/s12931-021-01701-3

Fig. 2.

Fig. 2

Number of SABA canisters prescribed to patients with asthma in general and pneumologist practices in Germany. SABA short-acting beta-2 agonist, GP general practitioner. To overcome variability in available SABA canister volumes and maintain consistency with the published threshold of SABA use, use of a canister was defined as 200 puffs by prescription. Consequently, if a patient received only one prescription for a canister containing < 200 puffs, they were classified as receiving < 1 canister