Effect of teriparatide on improving fracture union in osteoporotic intertrochanteric fractures: A systematic review and meta-analysis

Table 4 Methodological index for nonrandomized studies appraisal scores for nonrandomized studies included in the study

Ref.	Type of study (level of evidence)	Methodological items												Total
		11	22	33	44	55	66	77	88	99	1010	1111	1212
Huang et al[21]	Prospective retrospective (III)	2	2	2	2	2	2	1	2	2	2	2	2	23
Kim et al[22]	Retrospective (III)	2	0	1	2	2	2	1	0	2	2	2	2	18

¹A clearly stated aim.

²Inclusion of consecutive patients.

³Prospective collection of data.

⁴Endpoints appropriate to the aim of the study.

⁵Unbiased assessment of the study endpoint.

⁶Follow-up period appropriate to the aim of the study.

⁷Loss to follow-up that is < 5%.

⁸Prospective calculation of the study size.

⁹An adequate control group.

¹⁰Contemporary groups.

¹¹Baseline equivalence of groups.

¹²Adequate statistical analyses.

The items were scored as: 0: Not reported; 1: Reported but inadequate; or 2: Reported and adequate.