. 2017 Mar 24;13(3):264–274. doi: 10.1177/1558944717701244

Table 2.

Demographics of Surgical Candidates.

Study (year)	Surgical technique	No. of elbows	Mean age, y	Male ratio (to female)	Job type (manual labor/physically demanding), %	Symptom duration, mo	Duration of non-operative treatment, mo	Average number of corticosteroid injections	Dominant hand affected, %	Mean follow-up, mo
Open
Leppilahti et al¹⁹ (2001)	N, O2	14, 14	42, 41	0.9, 1.0	92, 79	23^a	—	—	86, 79	31^a
Keizer et al¹⁷ (2002)	O1	20	43^a	1.0^a	—	11^a	—	—	65	24^a
Dunkow et al¹¹ (2004)	O1D	24	43	0.9	66	—	≥12^a	—	—	12^a
Meknas et al²⁵ (2008)	O1	11	49	1.2^a	73	28	≥12^a	≥3^a	—	10-18^a
Arthroscopic
Othman²⁸ (2011)	A	14	42	1.3	—	—	≥6^a	2^a	—	12^a
Percutaneous
Dunkow et al¹¹ (2004)	P1	23	46	0.9	61	—	≥12^a	—	—	12^a
Meknas et al²⁵ (2008)	P2	13	47	1.2^a	77	22	≥12^a	≥3^a	—	10-18^a
Radwan et al³⁰ (2008)	P1	27	39	2.0	—	18	≥6^a	—	—	12^a
Othman²⁸ (2011)	P1	19	48	1.7	—	—	≥6^a	2^a	—	12^a

Note. “—” denotes information not reported; N = neurolysis of the posterior interosseous nerve (PIN); O2 = ECRB tendon z-lengthening in the mid-to-distal forearm; O1 = open (~4-cm incision) debridement of the damaged portions of the ECRB or release of the ECRB origin at the lateral epicondyle with additional “D” to denote drilling of the lateral epicondyle (when performed); A = arthroscopic ECRB debridement; P1 = percutaneous (~1- to 2-cm incision) division of the common extensor tendon; P2 = radiofrequency microtenotomy of the ECRB; ECRB = extensor carpi radialis brevis.

Value was reported for all patients, but not individually for each subgroup receiving an intervention.