Table 1 Characteristics of studies included in meta-analysis (n = 3)
From: Association between constipation and the development of asthma: a meta-analysis
Study | Published year | Country | No. of subjects | Study design | Age at enrollment in the study (years) | Outcome | Measure of association (95% CI) | NOS |
|---|---|---|---|---|---|---|---|---|
Huang et al. [14] | 2021 | China (Taiwan) | 173,720 | A real-world, population-based cohort study | No age limit | Asthma | aHR 1.81 (1.74–1.88) | 7 |
Kiefte-de Jong et al. [18] | 2011 | Netherlands | 4651 | A longitudinal birth cohort | Newborns | Wheezing | OR 1.10 (0.96–1.25) | 7 |
Leander et al. [16] | 2009 | Sweden | 290 | A longitudinal population study | No age limit | Asthma | RR 8.24 (3.80–17.83) | 6 |