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Table 2 Geometric mean (95%CI) sputum and serum mediator concentration (pg/ml) for all stable and all exacerbation vissits

From: Severe exacerbations in moderate-to-severe asthmatics are associated with increased pro-inflammatory and type 1 mediators in sputum and serum

 

Sputum

Serum

Stable (n = 187)

Exacerbation (n = 44)

P-value

Stable (n = 228)

Exacerbation (n = 52)

P-value

IL-1α

48 (40 to 57)

50 (29 to 87)

0.85

BLQ

BLQ

 

IL-1β

59 (47 to 74)

130 (66 to 253)

0.01↑

3.6 (3.1 to 4.1)

2.8 (2.1 to 3.8)

0.13

IL-2

0.7 (0.6 to 0.8)

1.1 (0.6 to 1.9)

0.02↑

BLQ

BLQ

 

IL-5

2.5 (1.9 to 3.2)

2.5 (1.5 to 4.1)

0.99

4.3 (3.8 to 4.9)

4.2 (3.2 to 5.5)

0.89

IL-6

31 (25 to 40)

69 (39 to 123)

0.01↑

BLQ

BLQ

 

IL-6R

195 (169 to 226)

402 (280 to 577)

< 0.0001↑

ALQ

ALQ

 

IL-8

2825 (2295 to 3479)

4507 (3045 to 6671)

0.05

14 (13 to 15)

13 (11 to 16)

0.62

IL-15

1.6 (1.3 to 1.9)

2.3 (1.5 to 3.5)

0.05

BLQ

BLQ

 

IL-18

25 (22 to 29)

48 (30 to 76)

0.001↑

323 (304 to 344)

379 (340 to 422)

0.02↑

CXCL9

526 (406 to 681)

1432 (801 to 2558)

0.001↑

68 (62 to 75)

82 (66 to 102)

0.081

CXCL10

632 (506 to 788)

1220 (723 to 2056)

0.01↑

120 (112 to 129)

159 (130 to 195)

0.002↑

CXCL11

39 (30 to 51)

62 (27 to 140)

0.17

135 (125 to 146)

202 (161 to 252)

< 0.0001↑

CCL2

262 (225 to 305)

375 (258 to 544)

0.05

621 (590 to 653)

567 (509 to 633)

0.13

CCL3

27.7 (23.0 to 33.3)

27.3 (16.8 to 44.2)

0.95

ALQ

ALQ

 

CCL4

369 (288 to 473)

574 (328 to 1004)

0.13

192 (179 to 206)

179 (153 to 211)

0.42

CCL5

6.6 (5.7 to 7.8)

16.3 (9.9 to 26.7)

< 0.0001↑

ALQ

ALQ

 

CCL11

48 (41 to 57)

41 (29 to 59)

0.44

792 (739 to 848)

785 (668 to 923)

0.92

CCL13

18 (15 to 20)

14 (11 to 19)

0.19

ALQ

ALQ

 

CCL17

30 (25 to 36)

21 (15 to 31)

0.12

587 (513 to 672)

582 (455 to 746)

0.96

CCL26

8.6 (6.9 to 11.0)

8.7 (5.5 to 14)

0.95

12.4 (10.5 to 14.8)

15.4 (10.0 to 23.7)

0.31

TNFα

2.5 (2.0 to 3.2)

9.6 (4.3 to 21.3)

< 0.0001↑

5.1 (4.4 to 5.8)

5.3 (4.0 to 6.9)

0.78

TNF-R1

424 (360 to 500)

817 (531 to 1255)

0.001↑

4044 (3850 to 4247)

4004 (3677 to 4360)

0.86

TNF-R2

200 (164 to 243)

579 (355 to 943)

< 0.0001↑

5407 (5122 to 5708)

5498 (4886 to 6187)

0.79

VEGF

1282 (1161 to 1417)

1289 (1006 to 1651)

0.97

767 (690 to 853)

730 (569 to 929)

0.67

EGF

424 (371 to 485)

418 (332 to 528)

0.92

487 (439 to 541)

387 (276 to 543)

0.088

SCF

BLQ

BLQ

 

90 (84 to 97)

92 (80 to 105)

0.83

ST2

BLQ

BLQ

 

85.7 (77.4 to 94.9)

105 (83 to 134)

0.086

CHTR

71,358 (54,991 to 92,597)

191,549 (102,748 to 357,100)

0.001↑

132,039 (114,285 to 152,550)

118,860 (90,839 to 155,523)

0.54

Periostin

Not done

Not done

 

5.7 (5.3 to 6.2)

4.7 (3.9 to 5.7)

0.044↓

DDP4

Not done

Not done

 

449.5 (433.0 to 466.6)

418.3 (384.0 to 455.7)

0.11

  1. BLQ Below limit of quantification, ALQ Above limit of quantification, unit of the mediators is pg/ml, ↑ increase in mediator concentration, ↓ decrease in mediator concentration
  2. All entries in bold are significant