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Table 1 Demographic variables between patients undergoing arthroscopic versus a mini-open technique.

From: The results of arthroscopic versus mini-open repair for rotator cuff tears at mid-term follow-up

Category   Mini-open Arthroscopic P value
Study Group N = 52 25 27  
Average age (years) 56 55 58 p = 0.13
Sex male/female 21/31 10/17 11/14 p = 0.7
Smoking 21% 30% 12% p = 0.17
Diabetes 21% 19% 24% p = 0.7
Biceps pathology 55% 48% 64% p = 0.27
Humeral osteoarthritis 15% 15% 16% p = 1.0
Glenoid osteoarthritis 10% 11% 8% p = 1.0
Tear size (centimeters) 3.1 2.9 3.2 p = 0.3
Number of anchors -- 2.1 2.0 p = 0.29
Distal clavicle excision 25 14 11 --