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Table 2 Percentage compliance with individual STARD criteria for included diagnostic accuracy studies in obstetrics

From: The quality of reporting of primary test accuracy studies in obstetrics and gynaecology: application of the STARD criteria

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%)
  1. * 100% not applicable