A.
To immediately accept the subgroup findings.
✓
B.
To urgently caution that post-hoc subgroup analyses can lead to spurious findings due to multiple comparisons, requiring independent validation.
✓
C.
To disregard the main study results.
✓
D.
To encourage more such analyses.
✓
B.
Chi-square distribution.
✓
C.
Z-distribution (Normal distribution).
✓
D.
Sample size calculation.
✓
A.
The drug definitely increases the risk.
✓
B.
The drug definitely decreases the risk.
✓
C.
The confidence interval includes 1.0, meaning there is no statistically significant difference in risk.
✓
D.
The drug is highly effective.
✓
A.
Independent samples t-test.
✓
A.
To share data with anyone who asks.
✓
B.
To urgently implement robust data anonymization, security protocols, and obtain appropriate ethical approvals to protect patient privacy and confidentiality.
✓
C.
To collect as much data as possible without consent.
✓
D.
To only focus on statistical analysis.
✓
