Finally, while no two groups of studies differed significantly in cohort rates, the baseline rates for studies with 3–5 interventions differed significantly from those with 6–8 interventions ( p = 0.049), while the contrast between 3 and 5 types and 1–2 types failed to reach statistical significance ( p = 0.055; see Table 4 ).
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Implementation interventions in preventing surgical site infections in abdominal surgery: a systematic review.
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0.0550