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. 2025 Feb 4;111(3):2722–2726. doi: 10.1097/JS9.0000000000002215

Table 1.

The item-specific accuracy of data extraction by Claude

Item ID Item Total number Correct number Wrong number Correct extraction rate 95% Confidence Interval
Lower limit Upper limit
1.1 Study ID 10 10 0 100.00%
1.2 Aim of study 10 10 0 100.00%
1.3 Design 10 9 1 90.00% 55.50% 99.75%
1.4 Country 10 9 1 90.00% 55.50% 99.75%
1.5 Unit of allocation 10 10 0 100.00%
1.6 Start date 10 10 0 100.00%
1.7 End date 10 10 0 100.00%
1.8 Duration of participation 10 9 1 90.00% 55.50% 99.75%
1.9 Ethical approval needed/obtained for study 10 10 0 100.00%
2.1 Population description 10 10 0 100.00%
2.2 Setting 10 7 3 70.00% 34.75% 93.33%
2.3 Inclusion criteria 10 10 0 100.00%
2.4 Exclusion criteria 10 10 0 100.00%
2.5 Method of recruitment of participants 10 10 0 100.00%
2.6 Informed consent obtained 10 10 0 100.00%
2.7 Total no. randomized 10 10 0 100.00%
2.8 Clusters 10 10 0 100.00%
2.9 Baseline imbalances 10 8 2 80.00% 44.39% 97.48%
2.10 Subgroups measured 10 10 0 100.00%
3.1.1 Intervention name 22 22 0 100.00%
3.1.2 Assessed for eligibility 22 4 18 18.18% 5.19% 40.28%
3.1.3 Excluded 22 2 20 9.09% 1.12% 29.16%
3.1.4 Randomized 22 22 0 100.00%
3.1.5 Lost to follow-up 22 13 9 59.09% 36.35% 79.29%
3.1.6 Analyzed 22 18 4 81.82% 59.72% 94.81%
3.1.7 Excluded from analysis 22 11 11 50.00% 28.22% 71.78%
3.1.8 Age 22 21 1 95.45% 77.16% 99.88%
3.1.9 Female 22 22 0 100.00%
3.1.10 Race/Ethnicity 22 22 0 100.00%
3.1.11 BMI 22 22 0 100.00%
3.1.12 Severity of illness 22 22 0 100.00%
3.1.13 Co-morbidities 22 22 0 100.00%
4.1.1 Outcome name 59 57 2 96.61% 88.29% 99.59%
4.1.2 Outcome definition 59 57 2 96.61% 88.29% 99.59%
4.1.3 Outcome measurement tool 59 57 2 96.61% 88.29% 99.59%
4.1.4 Unit of measurement 59 57 2 96.61% 88.29% 99.59%
4.1.5 Range of measurement 59 59 0 100.00%
4.1.6 Is outcome/tool validated 59 57 2 96.61% 88.29% 99.59%
4.1.7 Evaluation type 59 59 0 100.00%
4.1.8 Power 59 59 0 100.00%
4.1.9 Analysis Method 59 57 2 96.61% 88.29% 99.59%
5.1.1 Outcome name 58 58 0 100.00%
5.1.2 Intervention and comparison 58 58 0 100.00%
5.1.3 Outcome type 55 55 0 100.00%
5.1.4 Effect 58 58 0 100.00%
5.1.5 LCI (Lower Confidence Interval) 55 55 0 100.00%
5.1.6 UCI (Upper Confidence Interval) 55 54 1 98.18% 90.28% 99.95%
5.1.7 Discrete trend 56 56 0 100.00%
5.1.8 No. with event in IG (Intervention Group) 57 57 0 100.00%
5.1.9 Total in group in IG 57 57 0 100.00%
5.1.10 No. with event in CG (Control Group) 57 57 0 100.00%
5.1.11 Total in group in CG 57 57 0 100.00%
5.1.12 Missing participants 56 47 9 83.93% 71.67% 92.38%
5.1.13 Participants moved from another group 56 51 5 91.07% 80.38% 97.04%
5.1.14 Time points measured 56 56 0 100.00%
5.1.15 Subgroup 55 55 0 100.00%
6.1 Study funding sources 10 10 0 100.00%
6.2 Possible conflicts of interest 10 10 0 100.00%