Imaging and histological evaluation of the long head of the biceps tendon in the presence of different types of rotator cuff tears

Table 2 A/N ratio of the CSA of the LHBT at 4 weeks postoperatively

	A/N ratio of CSA
	Itnra-articular portion	Extra-articular portion
Control group (no tear)	1.1 ± 0.2	1.1 ± 0.1
Superior group (SSP + ISP tear)	1.5 ± 0.3	1.4 ± 0.4
Anterior group (SSC tear)	1.7 ± 0.5	1.5 ± 0.5
Anterosuperior group (SSC + SSP + ISP tear)	2.3 ± 0.5^a	2.0 ± 0.3^a

A/N Affected/normal, CSA Cross-sectional area, SSP Supraspinatus, ISP Infraspinatus, SSC Subscapularis, LHBT Long head of the biceps tendon
^aSignificant difference from the control group

ISSN: 1471-2474