Outcome & group names
2×2 table counts
treatment
control
ARR20% (4.2% to 35.8%)
OR (95% CI)0.29 (0.1–0.82)
NNT5
χ² / p5.83 / 0.016
Cramér's V0.24
treatment rate6/50 (12%)
control rate16/50 (32%)
The Five Non-Negotiables — in every result
1. Test statistic (t, χ², HR, r…)
2. Degrees of freedom
3. Exact p-value
4. 95% Confidence interval
5. Effect size (d, V, r², NNT…)