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. 2017 Sep;9(9):2904–2914. doi: 10.21037/jtd.2017.08.01

Table S3. Demographic data and characteristics of patients.

Variables Cluster 1 Cluster 2 Cluster 3 Cluster 4 Total P
Number of patients [%] 52 [26] 65 [32] 52 [26] 34 [16] 203 [100]
Sex (male, %) 17 (32.7) 64 (98.5) 0 (0.0) 22 (64.7) 103 (50.7) <0.001
Age [years] 39.5 [28–54.5] 51 [30.5–60.5] 59.5 [53–65.7] 60.5 [54–65.2] 55 [34–63] <0.001
Age at onset [years] 15 [6–33.7] 36 [9.5–53.5] 55 [41.2–63.7] 28.5 [13.5–49] 36 [12–53] <0.001
Asthma duration [years] 10.5 [2–31.5] 4 [1–20] 2 [1–5] 30 [10–40] 6 [1–25] <0.001
BMI [>28 kg/m2, %] 10 [19.2] 8 [12.3] 13 [25] 1 [2.9] 32 [15.8] <0.05
Family history (%) 13 (25.0) 6 (9.2) 9 (17.3) 9 (26.5) 37 (18.2) <0.001
Smoking history (%)
   Non-smoker 46 (88.5) 33 (50.8) 48 (92.3) 16 (47.1) 143 (70.4) <0.05
   Smoker 6 (11.5) 32 (49.2) 4 (7.7) 18 (32.9) 60 (29.6)
Smoking index 31.0 (105.0) 326.0 (521.0) 29.0 (146.0) 424.0 (673.0) 191.0 (443.0) <0.001
Sinus disease (%) 36 (69.2) 28 (43.1) 17 (32.7) 9 (26.5) 9 (44.3) <0.001

Data are presented as count (%) or mean (SD) or median (IOR). P value from one-way ANOVA, chi-squared test, and Nonparametric test (Kruskal-Wallis) among the four clusters. BMI, body mass index.