Ectopic pregnancy vs. all other pregnancies data Table III Mol et al. 1998
A matrix with 21 rows and 8 columns. Each row represents study results, the columns are:
number of true positives.
number of patients with disease.
number of false positives.
number of patients without disease.
Prospective vs. retrospective.
Cohort vs. case-control
Consecutive sampling patients series vs. non-consecutive.