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Table 4 Analysis of mediators according to ICS and/or LABA use and ICS dose categories

From: Anti-inflammatory deficiencies in neutrophilic asthma: reduced galectin-3 and IL-1RA/IL-1β

 

ICS group

ICS/LABA group

ICS dose <1000

ICS dose <2000

ICS dose ≥2000

P value

P’ value

N

6

74

24

19

37

  

gal-3 (ng/mL)

356 (293,471)

274 (166,471)

318 (210,493)

289 (162,420)

273 (163,471)

0.454

0.526

gal-3BP (ng/mL)

43 (25,115)

71 (27,161)

58 (21,158)

75 (23,196)

71 (33,142)

0.559

0.930

gal-3/gal-3BP

10.3 (2.4,19.1)

5.2 (1.7,10.6)

6.2 (2.3,23)

5.6 (3.0,9.3)

4.7 (1.3,9.5)

0.352

0.501

IL-1RA (ng/mL)

80 (67,233)

176 (103,288)

200 (97,323)

161 (111,286)

162 (102,271)

0.100

0.855

IL-1β (pg/mL)

1 (0.6,3)

156 (3,694)

157 (2.8,734)

53 (1.5,732)

157 (3.5,603)

0.030

0.733

IL-1RA/IL-1β

73 (35,122)

2.1 (0.23,41)

3.3 (0.3,43)

5.34 (0.2,90)

1.1 (0.2,26)

0.144

0.755

IL-6 (pg/mL)

447 (397,502)

337 (169,1186)

501 (311,1140)

400 (197,903)

326 (178,1195)

0.770

0.874

IL-8 (ng/mL)

14.7 (11.0,40.6)

17.5 (8.5,50

18 (11.5,56)

25 (7.2,51)

14 (9.3,31)

0.985

0.819

  1. Data are expressed as median (IQR). P value: ICS group vs. ICS/LABA group, data were analyzed by Mann-Whitney U test. P’ value: among different ICS dose categories, data were analyzed by Kruskal-Wallis. ICS: inhaled corticosteroid; LABA: long-acting beta agonist; gal-3: galectin-3; gal-3BP: galectin-3 binding protein; IL-1RA: IL-1 receptor antagonist; IL-1β: interleukin 1β; IL-6: interleukin 6; IL-8: interleukin 8.