Systematic Review of Total Hip Arthroplasty Outcomes in Cerebral Palsy Patients and a Comparative Analysis with Rheumatoid Arthritis

Table 2

Quality and risk of bias assessment using the Newcastle–Ottawa Scale (NOS).

Study ID	Selection				Comparability	Outcome			Total (9)
	(a)	(b)	(c)	(d)	(e)	(f)	(g)	(h)
1. Moore et al. [13], 2021	1	1	0	1	2	1	0	1	7
2. Moon et al. [14], 2020	1	1	1	1	0	1	0	1	6
3. Molenaers et al. [15], 2017	1	0	1	1	0	1	1	1	6
4. Houdek et al. [16], 2017	1	1	1	1	2	1	1	1	9
5. Silverio et al. [17], 2016	1	0	1	1	0	1	1	1	6
6. Morin et al. [10], 2016	1	0	1	1	0	1	1	1	6
7. King et al. [18], 2016	1	1	1	1	0	1	1	1	7
8. Abousamra et al. [19], 2016	1	0	1	1	0	1	1	1	6
9. Yoon et al. [20], 2015	1	0	0	1	0	1	1	1	5
10. Alosh et al. [21], 2014	1	0	1	1	0	0	1	1	5
11. Sanders et al. [22], 2013	1	0	1	1	0	1	1	1	6
12. Prosser et al. [9], 2012	1	0	1	1	0	0	1	1	5
13. Schoreder et al. [23], 2010	1	0	1	1	0	1	1	1	6
14. Raphael et al. [8], 2010	1	0	1	1	0	1	1	1	6
15. Gavrakaptenovic et al. [26], 2007	1	0	1	1	0	0	1	1	5
16. Abu-Rajab et al. [27], 2007	1	0	1	1	0	1	1	1	6
17. Schorle et al. [28], 2006	1	0	1	1	0	0	1	1	5
18. Weber et al. [29], 1999	1	1	1	1	0	0	1	1	6
19. Gabos et al. [30], 1999	1	0	1	1	0	1	1	1	6
20. Buly et al. [31], 1993	1	0	1	1	1	1	1	1	7
21. Root et al. [32], 1986	1	0	1	0	0	1	1	1	5

(a) Representativeness of the exposed cohort (), (b) selection of the nonexposed cohort (), (c) ascertainment of exposure (), (d) demonstration that the outcome of interest was not present at the start of the study (), (e) comparability of cohorts (), (f) assessment of outcome (), (g) follow-up was long enough for outcomes to occur (), and (h) adequacy of follow-up ().