Skip to main content

Table 6 Summary of the characteristics of the studies reviewed in Table 5

From: Helicobacter pylori infection and circulating ghrelin levels - A systematic review

Characteristic   n n %
Study Design Case control 7 25.93
  Cohort 9 33.33
  Cross-sectional 11 40.74
Gender studied Both 21 77.78
  Men 3 11.11
  Women 3 11.11
Region Asia 13 48.15
  Europe 11 40.74
  North America 3 11.11
Health status Both 4 14.81
  Healthy 9 33.33
  Sick 14 51.85
Age Group Adults 23 85.19
  Both 2 7.41
  Children 2 7.41
Type of Sickness Cancer 3 17.65
  GI symptoms 11 64.71
  Others† 3 17.64
HP assessment methods used Not Described 5 18.52
  One 7 25.93
  Two or more 15 55.56
Assay Type Commercial EIA 4 14.81
  Commercial ELISA 3 11.11
  Commercial RIA 14 51.85
  In-house RIA 5 18.52
  Not stated 1 3.7
Sample Size 50 and below 6 22.22
  51-200 16 59.26
  201 and above 5 18.52
Sample Storage -70C and above 19 70.37
  Below -70C 4 14.81
  Not Described 4 14.81
Sample type Plasma 17 62.96
  Serum 10 37.04
BMI of participants Normal 15 57.69
  Not Stated 2 7.69
  Obese 2 7.69
  Various 4 15.38
  low to normal 3 11.54
  1. †Others include Crohn's disease (1), diabetes mellitus (1) and multiple conditions (1)