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. 2014 Mar 3;2014(3):CD010813. doi: 10.1002/14651858.CD010813.pub2

10. Study specific adjusted risk estimates: per combined oral contraceptive in RR (95% CI) part II.

Comparisons Study
  Farmer 2000* Todd 1999 Farmer 1996 Jick 2006 Bird 2013 Jick 2011 Parkin 2011 Lewis 1996
20LNG vs non‐use
30LNG vs non‐use
50LNG vs non‐use
20GSD vs non‐use
30GSD vs non‐use
20DSG vs non‐use
30DSG vs non‐use
35NRG vs non‐use
35CPA vs non‐use
30DRSP vs non‐use
30LNG vs 20LNG
50LNG vs 20LNG
20GSD vs 20LNG
30GSD vs 20LNG
20DSG vs 20LNG
30DSG vs 20LNG
35NRG vs 20LNG
35CPA vs 20LNG
30DRSP vs 20LNG 3.2 (1.8‐5.5)
50LNG vs 30LNG
20GSD vs 30LNG
30GSD vs 30LNG 1.3 (0.9‐1.9)
20DSG vs 30LNG 1.4 (0.8‐2.4)
30DSG vs 30LNG 1.3 (0.9‐1.8) 1.5 (0.3‐8.3) 1.7 (1.2‐2.4)
35NRG vs 30LNG 1.1 (0.6‐2.0) 1.1 (0.8‐1.5)
35CPA vs 30LNG 1.8 (0.9‐3.2)
30DRSP vs 30LNG 1.8 (1.3‐2.5) 2.2 (1.5‐3.4) 3.3 (1.4‐7.6)
20GSD vs 50LNG
30GSD vs 50LNG
20DSG vs 50LNG
30DSG vs 50LNG
35NRG vs 50LNG
35CPA vs 50LNG
30DRSP vs 50LNG
30GSD vs 20GSD
20DSG vs 20GSD
30DSG vs 20GSD
35NRG vs 20GSD
35CPA vs 20GSD
30DRSP vs 20GSD
20DSG vs 30GSD
30DSG vs 30GSD 1.2 (0.3‐4.0)
35NRG vs 30GSD
35CPA vs 30GSD
30DRSP vs 30GSD
30DSG vs 20DSG
35NRG vs 20DSG
35CPA vs 20DSG
30DRSP vs 20DSG
35NRG vs 30DSG
35CPA vs 30DSG
30DRSP vs 30DSG
35CPA vs 35NRG
30DRSP vs 35NRG
30DRSP vs 35CPA