Table 2 Percentage compliance with individual STARD criteria for included diagnostic accuracy studies in obstetrics
STARD Item | Description | Percentage compliance overall obstetrics (%) N = 105 | Percentage compliance pre 2004 (%) N = 85 | Percentage compliance post 2004 (%) N = 17 | Difference % (95% CI) |
|---|---|---|---|---|---|
S1 | Article is identified as study of diagnostic accuracy | 27.2 | 19.4% | 62.9% | 43.5% (27%; 60%) |
S2 | States research question or aims | 94.9 | 93.8% | 100.0% | 6.3% (-2%; 14%) |
S3 | Describes study population | 74.4 | 72.5% | 82.9% | 10.4% (-6%; 26%) |
S4 | Describes participant recruitment | 85.1 | 83.8% | 91.4% | 7.7% (-5%; 21%) |
S5 | Describes participant sampling | 36.4 | 33.1% | 51.4% | 18.3% (1%; 36%) |
S6 | Describes index standard | 59.5 | 58.8% | 62.9% | 4.1% (-14%; 22%) |
S7 | Describes reference standard | 86.7 | 85.0% | 94.3% | 9.3% (-3%; 22%) |
S8a | Describes technique of index test | 45.1 | 45.0% | 45.7% | 0.7% (-17%; 19%) |
S8b | Describes technique of reference standard | 0 | 0.0% | 0.0% | 0% |
S9a | Describes cut-off for index test | 96.9 | 96.3% | 100.0% | 3.8% (-3%; 10%) |
S9b | Describes cut-off for reference standard | 75.9 | 75.0% | 80.0% | 5.0% (-11%; 21%) |
S10a | Describes persons executing index test | 8.2 | 9.4% | 2.9% | -6.5% (-17%; 4%) |
S10b | Describes persons executing reference standard | 0 | 0.0% | 0.0% | 0% |
S11a | Were results of index test blinded? | 100 | 100.0% | 100.0% | 0% |
S11b | Were results of reference test blinded? | 8.2 | 6.3% | 17.1% | 10.9% (1%; 21%) |
S12 | Describes methods for statistics used | 53.3 | 48.1% | 77.1% | 29.0% (11%; 47%) |
S13 | Describes methods for calculating test reproducibility | 12.3 | 13.8% | 5.7% | -8.0% (-20%; 4%) |
S14 | Reports dates of study | 65.1 | 63.1% | 74.3% | 11.2% (-6%; 29%) |
S15 | Reports characteristics of study population | 67.2 | 61.3% | 94.3% | 33.0% (16%; 50%) |
S16 | Reports number of eligible patients that did not undergo either test | 69.2 | 69.4% | 71.4% | 2.1% (-15%; 19%) |
S17 | Time interval between tests and any treatment | 11.8 | 10.0% | 20.0% | 10.0% (-2%; 22%) |
S18 | Reports distribution of severity of disease | 86.7 | 83.8% | 100.0% | 16.3% (4%; 29%) |
S19 | Reports cross tabulation of results | 49.2 | 48.8% | 51.4% | 2.7% (-16%; 21%) |
S20 | Reports adverse events | 0* | 0.0% | 0.0% | 0% |
S21 | Reports estimates of diagnostic accuracy | 54.4 | 50.0% | 74.3% | 24.3% (6%; 43%) |
S22 | Reports how missing results were handled | 63.6 | 63.1% | 65.7% | 2.6% (-15%; 20%) |
S23 | Reports estimates of variability of accuracy | 56.4 | 50.6% | 82.9% | 32.2% (14%; 50%) |
S24 | Reports estimates of test reproducibility | 12.8 | 14.4% | 5.7% | -8.7% (-21%; 4%) |
S25 | Discuss clinical applicability of findings | 99.5 | 100.0% | 97.1% | -2.9% (-5%; 0%) |