Table 1 Characteristics of the evaluated studies and included patients (FAS)
From: The placebo effect in allergen-specific immunotherapy trials
Extract | Histamine | No. of placebo patients | Age (year, mean, ±SD) | Gender (M/F) |
|---|---|---|---|---|
SCIT HDM 1 (22) | + | 62 | 28.6 (±9.8) | 36/26 |
SCIT HDM 2 * | + | 50 | 32.0 (±10.2) | 25/25 |
SCIT Grasses * | + | 87 | 31.7 (±9.4) | 52/35 |
SLIT Grasses (23,25) | - | 55 | 34.1 (±10.3) | 32/23 |
SCIT Birch 1 (24) | - | 98 | 38.4 (±11.4) | 45/53 |
SCIT Birch 2 * | - | 120 | 39.0 (±11.2) | 58/62 |