Table 1.

Baseline patients’ characteristics

Age	74 ± 6
Gender (female/male)	8/7
Dominant arm involved (yes/no)	11/4
VAS pain scale (0–10)	7.1 ± 1.6
Total ASES (0–100)	24.5 ± 14
Total CS (0–100)	31.9 ± 14
Fatty infiltration (III/IV)a	6/9
Previous conservative treatment: steroid injection/pain medication/PT	10/2/3
Prior surgery of rotator cuff (yes/no)	5/10
Time from RCT diagnosis till operation	7 ± 4.6 months

Values are expressed as mean ± standard deviation or in number of patients

^aFatty degeneration is classified according to modified Goutallier et al. [21] as diagnosed by baseline MRI