Table 2 The characterized of studies that included TNF-α analysis.
Author, year | Country | Sample size | Mean age | Sex | Dose (mg) | Duration of treatment (weeks) | Type | TNF-α change in intervention and placebo group a |
|---|---|---|---|---|---|---|---|---|
S. E. Cox (2006) | England | 99 | 21 | F | 10,000 | 15 | Vit A | 0.24 vs. − 0.18 |
Mahdieh Abbasalizad Farhangi (2013) | Iran | 50 | 38 | F | 25,000 | 16 | Retinyl palmitate | − 0.02 vs. − 0.01 |
Shaikh M. Ahmad (2009) | Bangladesh | 36 | 25 | M | 240,000 | 56 | Vit A | − 0.2 vs. − 3 |
Sama Bitarafan (2019) | Iran | 79 | 35 | M/F | 25,000 | 24 | Retinyl palmitate | 61.17 vs 110.59 |
Tingting Cai (2019) | Bangladesh | 30 | 54 | M | 50,000 | 44 | Vit A | − 4.17 vs. − 3.23 |
