BIOSTATISTICS Flashcards by Maria Tolosa

Q

2 Independent samples
Nominal

A

Chi-square (large sample)
Fisher’s Exact (small sample, less than 30)

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Q

2 Independent samples
Ordinal

A

Mann-Whitney U
Wilcoxon Rank Sum

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Q

2 Independent samples
Continuous

A

Student’s t-test
Mann-Whitney U

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Q

Related or Paired Samples
Nominal

A

McNemar Test

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Q

Related or Paired Samples
Ordinal

A

Sign Test
Wilcoxon Signed Rank

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Q

Related or Paired Samples
Continuous

A

Paired t-test

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Q

3 or more Independent Samples
Nominal

A

Chi-square for k independent samples

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Q

3 or more Independent Samples
Ordinal

A

Kruskal Wallis one way ANOVA

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Q

3 or more Independent Samples
Continuous

A

1-way ANOVA

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Q

3 or more Related Samples
Nominal

A

Cochran Q

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Q

3 or more Related Samples
Ordinal

A

Friedman 2 way ANOVA

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Q

3 or more Related Samples
Continuous

A

2 way ANOVA

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Q

Measures of Correlation
Nominal

A

Contingency coefficient

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Q

Measures of Correlation
Ordinal

A

Spearman
Kendal rank
Kendal coefficient

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Q

Measures of Correlation
Continuous

A

Pearson’s correlation

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Q

What types of studies is relative risk (same as risk ratio)?

A

usually prospective studies

(odds ration usual in retrospective studies)

Q

What is relative risk?

A

Q

What metabolizes tramadol?

A

CYP2D6