Observational Study
Copyright ©The Author(s) 2017.
World J Orthop. Aug 18, 2017; 8(8): 631-637
Published online Aug 18, 2017. doi: 10.5312/wjo.v8.i8.631
Table 2 Average ages of patients with traumatic vs non-traumatic rotator cuff tears
AgeTrauma
NoYes
Mean5959.5
Median6062
Standard deviation8.49.7
Coefficient of variation14%16%
Minimum4042
Maximum7576
Patients5135
Confidence interval2.33.2
P-value0.799