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. 2022 Feb 17;22:67. doi: 10.1186/s12890-022-01856-9

Table 3.

Disease characteristics

Disease characteristic Total participants (= 101) Eosinophilic phenotype (= 45) Atopic 1 (= 50) Overlap 1 (eosinophilic/atopic 1) (= 25) Atopic 2 (= 41) Overlap 2 (eosinophilic/atopic 2) (= 23)
Asthma duration, years (mean ± SD) 17.6 ± 12.1 19.4 ± 12.8 15.6 ± 11.5 16.5 ± 12.7 16.6 ± 12.1 17.2 ± 12.9
Number of severe exacerbations (mean ± SD) 2.7 ± 4.2 2.4 ± 3.4 3.2 ± 4.0 2.9 ± 3.9 3.3 ± 4.3 3.0 ± 4.0
Number of severe asthma exacerbations
 0 24 (24) 9 (20) 7 (14) 3 (12) 5 (12) 2 (9)
 1 21 (21) 11 (24) 10 (20) 5 (20) 8 (20) 5 (22)
 2 24 (24) 12 (27) 15 (30) 10 (40) 13 (32) 10 (43)
 3 9 (9) 6 (13) 2 (4) 1 (4) 2 (5) 1 (4)
 > 3 23 (23) 7 (16) 16 (32) 6 (24) 13 (32) 5 (22)
Asthma classification
 Early-onset (< 12 years old at diagnosis) 14 (14) 9 (20) 5 (10) 4 (16) 5 (12) 4 (17)
 Late-onset (≥ 12 years old at diagnosis) 87 (86) 36 (80) 45 (90) 21 (84) 36 (88) 19 (83)
History of atopy
 No 83 (82) 35 (78) 38 (76) 16 (64) 30 (73) 15 (65)
 Yes 18 (18) 10 (22) 12 (24) 9 (36) 11 (27) 8 (35)
Specific IgE available in medical records
 No 3 (3) 2 (4) 1 (2) 1 (4) 1 (2) 1 (4)
 Yes 38 (38) 14 (31) 18 (36) 10 (40) 14 (34) 9 (39)
  Negative 20/38 (53) 5/14 (36) 4/18 (22) 2/10 (20) 2/14 (14) 1/9 (11)
  Positive 18 /38(47) 9/14 (64) 14/18 (78) 8/10 (80) 12/14 (86) 8/9 (89)
 Missing 60 (59) 29 (64) 31 (62) 14 (56) 26 (63) 13 (57)
Comorbidities
 No 35 (35) 21 (48) 20 (40) 14 (56) 18 (44) 13 (57)
 Yes 65 (65) 23 (52) 30 (60) 11 (44) 23 (56) 10 (43)
 Missing 1 (1) 1 (2) 0 (0) 0 (0) 0 (0) 0 (0)

Data are shown as n (%) unless otherwise indicated

SD standard deviation