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Table 3 Change in percent correct for individual questions and t-test significance

From: Evaluating the effectiveness of a radiation safety training intervention for oncology nurses: a pretest – intervention – posttest study

Question

Pretest % Correct

Posttest % Correct

Change in % Correct

p-value

Significant? (p < 0.05)

Declared pregnant limit

13.4%

54.0%

40.6%

<0.0001

Y

Temporary implant treatment

15.3%

43.4%

28.0%

<0.0001

Y

Background radiation dose

48.2%

75.2%

27.0%

<0.0001

Y

Systemic radioiodine precautions

58.4%

80.4%

22.0%

0.0020

Y

Monitoring patient dose rate

61.6%

79.3%

17.7%

0.0033

Y

Permanent implant treatment

51.3%

65.8%

14.4%

0.0388

Y

Seed implant treatment

38.4%

52.7%

14.3%

0.0450

Y

Radiosensitivity of the fetus

53.1%

66.4%

13.3%

0.0351

Y

Annual limit

22.2%

30.1%

7.9%

0.1050

N

How to find exposure records

83.0%

89.4%

6.3%

0.0948

N

Visitor precautions

77.7%

83.0%

5.4%

0.3450

N

External beam treatment

87.5%

90.2%

2.7%

0.5509

N

Contamination cleanup protocols

91.2%

91.0%

-0.2%

0.6718

N

Systemic radioiodine contamination

91.2%

88.4%

-2.8%

0.3962

N

When to wear a badge

96.5%

92.0%

-4.4%

0.1665

N