Table 2. Meta-analysis of the Association between diabetes and asthma Diabetes Control Relative Author OR (95% CI) OR 95% CI Weight (%) n/N (%) n/N (%) 1.49 4.7 Siemiatycki 18/161 (11%) 25/321 (8%) (0.74, 2.95) 5.5 Blom 24/264 (9%) 33/388 (9%) 1.08 (0.59, 1.93) 1.37 (0.46, 4.13) 2.6 Stromberg 10/61 (16%) 9/72 (13%) (0.25, 0.62) 27/157 (17%) (34%) 0.40 6.9 Douek 790/2324 2.58 (1.19, 5.78) 4.0 Vargas 34/102 (33%) 13/80 (16%) 0.92 (0.37, 1.97) 3.8 Stene 8/85 (9%) 109/1071 (10%) (0.09, 1.67) 1.6 3/99 (3%) 22/363 (6%) 0.48 ED Austria 0.42 (0.05, 1.83) 1.1 ED Bulgaria 2/128 (2%) 16/440 (4%) 0.86 (0.14, 3.65) 1.4 ED Latvia 3/14 (2%) 8/324 (2%) 1.62 (0.51, 4.86) 2.5 ED Lithuania 7/116 (6%) 10/263 (4%) ED Luxembourg 0/56 (0%) 0/159 (0%) 1.36 (0.30, 4.89) 1.8 ED Romania 4/82 (5%) 10/276 (4%) (0.51, 1.10) 7.5 ED UK-Leeds 56/208 (27%) 135/409 (33%) 0.75 5.6 ED UK-NI (10%) 79/444 (18%) 0.51 (0.28, 0.89) 18/182 0.45 (0.26, 0.73) 6.3 Huang 18/403 (4%) 1025/10904 (9%) (9%) 0.89 (0.68, 1.16) 8.7 Olesen 67/817 (8%) 699/7683 (5%) 2040/59684 (3%) 1.48 (0.66, 2.88) 4.4 Kero 9/181 6.4 Sebastiani 26/140 (19%) 142/703 (20%) 0.90 (0.54, 1.45) (8%) 2932/48962 (6%) 1.26 (0.58, 2.73) 4.1 Simpson 7/89 0.77 (0.36, 1.53) 45 Meerwaldt 11/188 (6%) 58/781 (7%) 0.60 (0.30, 1.17) 4.8 Matilla 15/361 (4%) 32/478 (7%) 7.0 530/5472 (10%) 1.27 Wright (12%) (0.81, 1.92) 27/226 Rosenbauer 16/636 (3%) 28/1403 (2%) 1.27 (0.59, 0.96) 410/4883 8745/143004 0.90 (0.73, 1.10) Overall 7143/126155 0.82 (0.68-0.99) Adequate Design 303/3930 0.1 0.2 0.5 10 Asthma risk decreased Asthma risk increased Page 3 of 3