Table 1.
Characteristics of Randomized Trials
| Author | Year of Publication | Country | No. of Participating Centers | Period of Treatment | Inclusion Criteria | Exclusion Criteria | Jadad Score |
|---|---|---|---|---|---|---|---|
| Lau, et al.12 | 1996 | China | 1 | August 1992–September 1994 | Clinical diagnosis of PPU | 1. Complicated ulcer 2. Bleeding ulcer 3. Prior abdominal surgery 4. Severe cardiopulmonary disease |
3 |
| Lau et al.13 | 1998 | China | 1 | September 1995–July 1996 | Age between 17 and 69 years | 1. Bleeding ulcer 2. Immunosuppression |
2 |
| Siu et al.14 | 2002 | China | 1 | January 1994–June 1997 | 1. Clinical diagnosis of PPU 2. Age >16 years |
1. Bleeding ulcer 2. Prior abdominal surgery 3. Gastric outlet obstruction |
3 |
| Bertleff et al.15 | 2009 | The Netherlands | 9 | March 1999–July 2005 | Clinical diagnosis of PPU | 1. Prior upper abdominal surgery 2. Pregnancy |
3 |