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. Author manuscript; available in PMC: 2021 Jun 1.
Published in final edited form as: Pediatr Blood Cancer. 2020 Apr 19;67(6):e28267. doi: 10.1002/pbc.28267
CI Interval Symbol Observed synergy
<0.1 +++++ Very strong
0.1 – 0.3 ++++ Strong
0.3 – 0.7 +++ Synergy
0.7 – 0.85 ++ Moderate synergism
0.85 – 0.9 + Slight synergism
0.9 – 1.1 ± Additive
>0.1 - Antagonistic