Table 1

Demographic and clinical characteristics of cohort participants at first operation

N (%)Mean (SD)
Age233271 (10.3)
Age category
 ≤60311 (13.3)
 61–70610 (26.2)
 >701411 (60.5)
Gender
 Women1526 (65.4)
 Men806 (34.6)
Insurance class
 General929 (39.8)
 Semi-private725 (31.1)
 Private678 (29.1)
Smoking
 No1861 (88.8)
 Yes234 (11.2)
BMI95927.2 (9.1)
ASA physical status classification system
 I. Healthy patient102 (4.4)
 II. Mild systemic disease1127 (48.4)
 III. Severe systemic disease1075 (46.2)
 IV. Severe systemic disease that is a constant threat to life23 (1)
Admission type
 Illness1683 (72.2)
 Accident649 (27.8)
Primary indication
 Rotator cuff tears without osteoarthritis157 (6.7)
 Rotator cuff tears with osteoarthritis981 (42.1)
 Rheumatoid arthritis72 (3.1)
 Prosthesis replacement148 (6.4)
 Fresh fracture43 (1.8)
 Post-traumatic (after fracture)232 (10)
 Primary osteoarthritis533 (22.9)
 Humeral head necrosis47 (2)
 Other secondary osteoarthritis (instability, infection)116 (5)
Preoperative pain (0–10)22315.8 (2.6)
Constant Score215031.3 (14.7)
SPADI214336.5 (19.8)
QuickDASH214052.6 (18.2)
Subjective Shoulder Value*90540.1 (20.8)
Abduction228066.7 (31.3)
Flexion228077.6 (36.4)
Abduction strength, affected arm (kg)22710.7 (1.7)
Abduction strength, unaffected arm (kg)21004.8 (3.5)
EQ-VAS*95668.3 (17.6)
  • Active ranges of motion are presented.

  • *Parameter introduced in 2014. For Constant Score, SPADI and SSV higher values represent better outcome for QuickDash lower values are better.

  • BMI, body mass index; EQ-VAS, EuroQol Visual Analogue Scale; QuickDASH, Quick Disabilities of Arm, Shoulder and Hand; SPADI, Shoulder Pain and Disability Index.