Parameter/ Duration

Placebo

Vitamin C

Zinc

Omega 3 Fatty acid

Combined

n

Mean ± SE

n

Mean ± SE

n

Mean ± SE

n

Mean ± SE

n

Mean ± SE

Serum IgE level

Baseline

Week 2

Week 6

Week 12

Month 6

Month 12

142

141

132

124

115

105

408 ± 215

430 ± 232

442 ± 222

428 ± 221

454 ± 241

410 ± 195

28

26

24

23

22

21

410 ± 218

411 ± 221

426 ± 218

418 ± 207

444 ± 221

410 ± 194

32

29

28

25

22

20

288 ± 170

289 ± 170

287 ± 165

292 ± 162

295 ± 158

295 ± 148

35

33

31

27

26

21

258 ± 160

255 ± 172

256 ± 158

253 ± 148

254 ± 145

248 ± 130

40

37

34

31

32

24

233 ± 154

240 ± 149

242 ± 150

252 ± 148

255 ± 146

254 ± 146

Sputum Eosinophil count/mm³

Baseline

Week 2

Week 6

Week12

Month 6

Month 12

142

141

133

129

119

100

2.3 ± 0.5

2.4 ± 0.5

2.3 ± 0.6

2.7 ± 0.9

2.2 ± 0.8

3.2 ± 1.5

28

25

26

24

20

23

2.4 ± 0.6

2.2 ± 0.8

2.2 ± 0.9

2.1 ± 1.0

2.2 ± 0.7

2.0 ± 0.3

32

30

23

26

25

22

2.3 ± 0.5

2.4 ± 0.7

2.3 ± 0.6

2.0 ± 0.3

1.5 ± 0.8

1.4 ± 0.6

35

32

29

28

30

32

2.2 ± 0.3

2.3 ± 0.3

2.1 ± 0.4

2.0 ± 0.5

1.3 ± 0.5

1.2 ± 0.3

40

39

38

30

35

20

2.3 ± 0.2

2.2 ± 0.3

1.8 ± 0.2

1.5 ± 0.1

1.1 ± 0.3

0.7 ± 0.2