Table 1.
Summary characteristics of studies and participants
| Reference | Year of publication | Age group | Country | Participants | Treatment therapies | H pylori test methods | Degree of anaemia | Time node for examination |
| Choe YH25 | 1999 | 10–17 | South Korea | 13 | B+A+M | Histology | Marked anaemia | Sequential |
| *Chen LH-128 | 2005 | 17–72 | China | 62 | B+A+M | UBT | Marked anaemia | Sequential |
| Lin Y27 | 2005 | 6–12 | China | 68 | O+A+C | UBT/histology | Moderate anaemia | 8 week |
| Huang LP26 | 2005 | 2–7 | China | 58 | O+A+M | Serum IgG test | Moderate anaemia | 8 week |
| Ren B29 | 2006 | 16–65 | China | 42 | O+A+M | Histology/rapid urease test | Marked anaemia | 8 week |
| †Chen LH-230 | 2007 | 18–76 | China | 86 | B+A+M | UBT | Marked anaemia | Sequential |
| Vijayan G31 | 2007 | >13 | India | 22 | L+T+C | Rapid urease test/histology | Marked anaemia | 30 days |
| Sarker SA32 | 2008 | 2–5 | Bangladesh | 99 | O+A+C | UBT | Moderate anaemia | 90 days |
*
Has only haemoglobin (Hb) data.
†
Has only serum ferritin (SF) data.
A, amoxicillin; B, bismuth; L, lansoprazole; M, metronidazole; O, omeprazole; T, tinidazole; UBT, urea breath test.