Key Terms

(1)

(2)

(3)

(4)

(5)

(6)

(7)

(8)

(9)

(10)

(1) Clinical question

1.000

0.439

0.032

0.181

<0.001

0.508

<0.001

<0.001

<0.001

<0.001

(2) Research question

1.000

0.010

0.004

<0.001

0.793

<0.001

<0.001

<0.001

<0.001

(3) PICO/PECO

1.000

<0.001

<0.001

0.025

<0.001

<0.001

<0.001

<0.001

(4) Outcome

1.000

<0.001

0.002

0.024

0.003

<0.001

<0.001

(5) Bias

1.000

<0.001

<0.001

<0.001

0.001

0.001

(6) Confounding

1.000

<0.001

<0.001

<0.001

<0.001

(7) Reliability and validity

1.000

0.317

<0.001

<0.001

(8) Observational study and intervention study

1.000

0.002

0.001

(9) p value

1.000

0.858

(10) 95% Confidence interval

1.000