|
Negative articles addressing power/sample size and confidence intervals |
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| Journal |
Power/Sample Size* |
Confidence Intervals† |
Power/Sample Size and Confidence Intervals* |
| n (%, 95% CI) |
|||
|
|
|||
| Annals |
6/41 (15, 3–26) |
33/41 (80, 68–93) |
5/41 (12, 2–23) |
| BMJ |
11/57 (19, 9–30) |
46/57 (81, 70–91) |
10/57 (18, 7–28) |
| JAMA |
10/44 (23, 10–36) |
24/44 (55, 39–70) |
3/44 (7, 0–15) |
| Lancet |
24/46 (52, 37–67) |
34/46 (74, 61–87) |
20/46 (43, 29–58) |
| NEJM |
19/46 (41, 27–56) |
34/46 (74, 61–87) |
13/46 (28, 15–42) |
| Total |
70/234 (30, 24–36) |
171/234 (73, 67–79) |
51/234 (22, 16–27) |
|
* P < 0.001 † P = 0.038 | |||
Hebert et al. Journal of Negative Results in BioMedicine 2002 1:1 doi:10.1186/1477-5751-1-1 |
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