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Table 2 Odds ratio of using a statistical method during 2007–2017 compared to 1996–2006 adjusted for article sample size

From: Systematic review of analytical methods applied to longitudinal studies of malaria

Method

Odds ratio (OR)

95% CI

Descriptive statistics only

0.81

0.26–2.42

Contingency table

0.49

0.27–0.91

Kaplan–Meier estimator

1.80

0.88–3.67

Cox model

2.57

1.21–5.42

Log-rank

1.60

0.66–3.84

Poisson model

1.78

0.85–3.72

GEE

1.16

0.56–2.39

Mixed-effects model

3.85

1.13–6.39

  1. CI confidence interval