Elaborating on the assessment of the risk of bias in prognostic studies in pain rehabilitation using QUIPS—aspects of interrater agreement

Table 2 Interrater agreement for all papers and for the two rounds separately

	All papers (43 papers)		Round 1 (15 papers)		Round 2 (28 papers)
	κ ¹	95% CI²	κ ¹	95% CI²	κ ¹	95% CI²
1. Study participation	0.356	0.063–0.669	− 0.023	− 0.041–0.594	0.475	0.100–0.851
2. Study attrition	0.647	0.353–0.771	0.400	0.000–0.835	0.714	0.426–1.000
3. Prognostic factor measurement	0.384	0.044–0.723	0.852	0.544–1.00	0.028	− 0.453–0.612
4. Outcome measurement	0.358	0.072–0.645	0.211	0.00–0.660	0.443	0–095-0.792
5. Study confounding	0.526	0.269–0.784	0.561	0.00–1.00	0.481	0.186–0.776
6. Statistical analysis and reporting	0.364	0.077–0.651	− 0.070	0.321–0.486	0.533	0.176–0.627
Overall	0.475	0.358–0.601	0.323	0.129–0.517	0.536	0.390–0.682

ISSN: 2397-7523