Research Article
Performance of Orthopaedic Shoulder and Elbow Surgeons on a Biostatistical Knowledge Examination
Table 3
Attitudes and confidence of statistical competency.
| | Characteristic | Response | N (%) | Mean % correct | % (95% CI) | value | Multivariate regression |
| | Would like to learn more about statistics | Strongly disagree | 1 (1.8) | 50.0 | (38.6 to 61.5) | 0.29 | 0.29 | | Neither agree or disagree | 10 (18.2) | 48.6 | (40.8 to 56.5) | | | | Somewhat agree | 18 (32.7) | 54.5 | (47.7 to 61.0) | | | | Strongly agree | 26 (47.3) | 80.0 | | | |
| | Thinks statistical competency is important | Neither agree or disagree | 1 (1.8) | 45.0 | | 0.606 | 0.606 | | Somewhat agree | 26 (47.3) | 50.0 | (42.4 to 57.5) | | | | Strongly agree | 28 (50.9) | 54.5 | (48.7 to 60.0) | | |
| | I often use statistical information in forming opinions | Neither agree or disagree | 4 (7.3) | 40.0 | (29.4 to 50.5) | 0.384 | 0.003 | | Somewhat agree | 30 (54.5) | 52.5 | (46.3 to 59.0) | | | | Strongly agree | 21 (38.2) | 54.0 | (46.1 to 62.0) | | |
| | Increased emphasis on statistical analysis should be examined in the ABOS | Strongly disagree | 10 (18.2) | 44.5 | (34.9 to 54.0) | 0.133 | 0.13 | | Neither agree or disagree | 19 (34.5) | 57.0 | (49.6 to 62.0) | | | | Somewhat agree | 17 (30.9) | 56.0 | (47.6 to 66.5) | | | | Strongly agree | 9 (16.4) | 57.0 | (45.6 to 66.5) | | |
| | Confidence interpreting probability values | Strongly disagree | 4 (7.3) | 47.2 | (26.8 to 67.5) | 0.054 | 0.055 | | Neither agree or disagree | 7 (12.7) | 51.5 | (45.7 to 57.0) | | | | Somewhat agree | 30 (54.5) | 36.3 | (25.4 to 47.1) | | | | Strongly agree | 14 (25.5) | 61.0 | (54.0 to 68.0) | | |
| | Confidence in interpreting statistical results | Strongly disagree | 3 (5.5) | 42.0 | (21.8 to 62.0) | 0.008 | 0.009 | | Neither agree or disagree | 5 (9.1) | 50.5 | (45.1 to 56.0) | | | | Somewhat agree | 35 (63.6) | 65.5 | (24.9 to 48.5) | | | | Strongly agree | 12 (21.8) | 36.7 | (57.5 to 73.0) | | |
| | Confidence in identifying factors that influence the power of a study | Strongly disagree | 9 (16.4) | 56.5 | (38.5 to 75.0) | 0.011 | 0.011 | | Neither agree or disagree | 26 (47.3) | 52.0 | (45.4 to 58.5) | | | | Somewhat agree | 3 (5.5) | 36.7 | (28.7 to 44.7) | | | | Strongly agree | 17 (30.9) | 60.0 | (52.0 to 68.0) | | |
| | Confidence in assessing the correct statistical test | Strongly disagree | 5 (9.1) | 44.3 | (30.2 to 58.5) | 0.007 | 0.017 | | Somewhat disagree | 22 (40.0) | 62.0 | (55.0 to 69.0) | | | | Neither agree or disagree | 7 (12.7) | 45.0 | (37.8 to 52.0) | | | | Somewhat agree | 17 (30.9) | 66.0 | (61.5 to 71.0) | | | | Strongly agree | 4 (7.3) | 50.0 | (36.9 to 63.0) | | |
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Bold values represent statistically significant results.
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