Table 1 Data on investigated variables in study groups
Studied variables | Biceps tendon tear (n = 270) | Intact biceps tendon (n = 312) |
|---|---|---|
Age (yr) | 64.9 ± 10.6 | 57.3 ± 14.2 |
  < 30 | 1 (0.4%) | 20 (6.4%) |
 30 to 39 | 9 (3.3%) | 17 (5.4%) |
 40 to 49 | 8 (3.0%) | 33 (10.6%) |
 50 to 59 | 55 (20.4%) | 85 (27.2%) |
 60 to 69 | 85 (31.5%) | 102 (32.7%) |
  ≥ 70 | 112 (41.5%) | 55 (17.6%) |
Male gender | 158 (58.5%) | 160 (51.3%) |
BMI (kg/m2) | 24.1 ± 2.9 | 24. 4 ± 3.3 |
Dominant side-involvement | 191 (70.7%) | 212 (67.9%) |
Smoking | 100 (37.0%) | 107 (34.3%) |
Diabetes | 47 (17.4%) | 45 (14.4%) |
Hypertension | 95 (35.2%) | 108 (34.6%) |
Hyperthyroidism | 15 (5.6%) | 15 (4.8%) |
Hypothyroidism | 9 (3.3%) | 4 (1.3%) |
ASA grade | ||
 Normal health | 30 (11.1%) | 56 (17.9%) |
 Mild systemic disease | 163 (60.4%) | 166 (53.2%) |
 Severe systemic disease | 77 (28.5%) | 90 (28.8%) |
 Prevalence of dyslipidemia | 130 (48.1%) | 298 (95.5%) |
 Hyper-cholesterolemia | 62 (23.0%) | 77 (24.7%) |
 Hyper-TGmia | 64 (23.7%) | 83 (26.6%) |
 Hyper-LDLemia | 184 (68.1%) | 228 (73.1%) |
 Hypo-HDLemia | 88 (32.6%) | 111 (35.6%) |
 Hyper-non-HDLemia | 156 (57.8%) | 191 (61.2%) |
 Presence of rotator cuff tear | 183 (67.8%) | 166 (53.2%) |
 Supraspinatus tendon tear | 152 (56.3%) | 136 (43.6%) |
 Infraspinatus tendon tear | 77 (28.5%) | 41 (13.1%) |
 Subscapularis tendon tear | 110 (40.7%) | 48 (15.4%) |
Depth of rotator cuff tears | ||
 Partial-thickness | 39 (14.4%) | 71 (22.8%) |
 Full-thickness | 144 (53.3%) | 95 (30.4%) |
Size of rotator cuff tear | ||
 Small | 6 (2.2%) | 16 (5.1%) |
 Medium | 60 (22.2%) | 47 (15.1%) |
 Large | 52 (19.3%) | 24 (7.7%) |
 Massive | 26 (9.6%) | 8 (2.6%) |
Retraction degree of Patte | ||
 Stage I | 29 (10.7%) | 41 (13.1%) |
 Stage II | 77 (28.5%) | 49 (15.7%) |
 Stage III | 38 (14.1%) | 5 (1.6%) |
Goutallier’s fatty degeneration grade | ||
 Stage I | 97 (35.9%) | 201 (64.4%) |
 Stage II | 89 (33.0%) | 86 (27.6%) |
 Stage III | 59 (21.9%) | 40 (12.8%) |
 Stage IV | 14 (5.2%) | 6 (1.9%) |
 Global fatty degeneration index | 0.7 (0.3 to 1.7) | 0.6 (0.2 to 1.2) |
 Positive tangent sign | 113 (41.9%) | 82 (26.3%) |
Occupation ratio | ||
 Grade I | 161 (59.6%) | 247 (79.2%) |
 Grade II | 71 (26.3%) | 42 (13.5%) |
 Grade III | 38 (14.1%) | 23 (7.4%) |
 hs-CRP (mg/L) | 0.6 (0.4 to 1.5) | 0.5 (0.4 to 1.2) |
 Pain VAS | 7.5 (6.0 to 8.0) | 6.0 (6.0 to 7.0)) |