A Literature Synthesis Indicates Very Low Quality, but Consistent Evidence of Improvements in Function after Surgical Interventions for Primary Osteoarthritis of the Elbow

Table 5

Summary table for outcomes of arthroscopic joint debridement-2.

Study and year	Design	Level of evidence	𝑛	Followup (months)	Pain Δ	ROM Δ	Function Δ
Cohen et al., 2000 [20]	Nonrandomized control study	III	26 out of 44	35.5	0–6 Likert scale from MEPI (after 2.9 points)	7	MEPI
Ogilvie-Harris et al., 1995 [30]	Case series	IV	25	35	30-point scale from Morrey’s scoring system for elbow (improved from before 19 to after 28)	—	(i) 100 point elbow classification system developed by Morrey; (ii) 14 patients returned to work or full activity
Redden and Stanley., 1993 [31]	Case series	IV	12	16	Linear analog scale (good pain relief)	Insignificant change in ROM	—