What Do Anesthesiologists Know about p Values, Confidence Intervals, and Correlations: A Pilot Survey

Table 1

Survey results.

Question	Answer	All participants		Only anesthesiologists
		()		()
			Percentage (95% CI)		Percentage (95% CI)
1	A	19	29 (19 to 42)	18	30 (19 to 42)
	B	10	15 (8 to 27)	9	15 (8 to 26)
	C	22	34 (23 to 46)	21	34 (23 to 47)
	D	14	22 (13 to 34)	13	21 (13 to 34)
2	A	9	14 (7 to 25)	7	11 (5 to 23)
	B	23	35 (25 to 48)	22	36 (25 to 49)
	C	15	23 (14 to 35)	15	25 (15 to 37)
	D	18	28 (18 to 40)	17	28 (18 to 41)
3	A	14	21 (13 to 34)	14	23 (14 to 36)
	B	8	12 (6 to 23)	7	11 (5 to 23)
	C	9	14 (7 to 25)	8	13 (7 to 24)
	D	34	52 (40 to 64)	32	52 (40 to 65)

Number () and percentages of individuals who chose a respective answer to the statistical questions in the survey. Results are reported for all 65 participants of the survey, as well as for the 61 participants who reported that they were anesthesiologists or anesthesiologists in training. The correct answer for each question is displayed in italic letters. For the questions and answers, see Original Questionnaire Used in the Survey. CI: confidence interval.