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. 2020 May 12;15(5):e0232621. doi: 10.1371/journal.pone.0232621

Table 3. Prevalence of spirometry, pulmonary physician examination, and medication use among those with physician-diagnosed asthma and symptoms during the previous 12 months.

Received ACT*
(n = 326)
Well-controlled asthma
(n = 213)
Poorly controlled asthma
(n = 113)
p-value**
Have you ever been examined by spirometry? 253 (78%) 163 (77%) 90 (80%) 0.578
Have you ever visited a pulmonary physician? 154 (47%) 99 (47%) 55 (49%) 0.728
Do you use asthma medication? 246 (76%) 148 (70%) 98 (87%) 0.001
Have you experienced an asthma attack during the past 12 months? 122 (37%) 61 (29%) 61 (54%) <0.001
Have you been awakened by heavy breathing/dyspnea any time during the past 12 months? 92 (28%) 38 (18%) 54 (48%) <0.001
Have you experienced whistling or wheezing in your chest at any time during the past 12 months? 229 (70%) 134 (63%) 95 (84%) <0.001
Have you visited a doctor or accident/emergency unit because of acute breathing difficulties at any time during the past 12 months? 52 (16%) 18 (9%) 34 (30%) <0.001
Have you used extra cortisone medication or increased your cortisone inhalation at any time during the past 12 months? 129 (40%) 61 (29%) 68 (60%) <0.001
Have you been hospitalized because of breathing difficulties at any time during the past 12 months? 4 (1%) 2 (<1%) 2 (2%) 0.612

*ACT; Asthma Control Test.

** Fisher’s exact test