Table 3 Contra-Studies evaluating Helicobacter pylori (HP) and chronic urticaria (CU) (only studies that included proven eradicated patients)
From: Urticaria and infections
H. pylori proven eradication rate (%) | first treatment regimen (days) | evaluation period in months | Chronic urticaria remission or improvement rate (%) | First author Country Year | Ref. | ||
|---|---|---|---|---|---|---|---|
| Â | Â | Â | treated HP+ CU | untreated HP+ CU | untreated HP- CU | Â | Â |
29/31 (94) | OMC (7) | 4-12 | 6/31 (19) | 3/34 (9) | nd | Valsecchi Italy 1998 | [109] |
25/29 (86) | OAC (7) | nd | 1/25 (4) | nd | nd | Erel Turkey 2000 | [110] |
24/30 (80) | OA (7) | 6 | 8/30 (27) | nd | nd | Wustlich Germany 1999 | [111] |
17/23 (74) | OAC (7) | 4-6 | 5/17 (29) | nd | 3/8 (38) | Özkaya-Bayazit Turkey 1998 | [112] |
12/13 (92) | AM (7) | 4 | 8/11 (73) | 9/13 (69) | nd | Schrutka-Koelbel Austria 1998 | [113] |
12/15 (80) | OAC (7) | >12 | 3/12 (25) | nd | nd | Daudén Spain 2000 | [114] |
30/35 (86)* | LMA or LMT (7) | 5 | 8/30 (27) | 5/18 (28) | nd | Hook-Nikanne Finland 2000 | [115] |
3/11 (27) | LA (7) | 3-6 | 1/3 (33) | 4/14 (29) | nd | Schnyder Switzerland 1999 | [116] |
12/14 (80) | OAC (7) | 6 | 3/12 (25) | nd | nd | Moreira Portugal 2003 | [117] |
Total 164/201 (82) | § |  | Total 43/171 (25) | Total 21/79 (27) | Total 3/8 (38) |  |  |