Table 1 Base-line characteristics of the patients
Characteristics | Physical therapy + local injection | Physical therapy | Local injection | |
|---|---|---|---|---|
(n = 41) | (n = 43) | (n = 43) | p | |
Sex (%) | ||||
Female | 35 (85.4) | 36 (83.7) | 33 (76.7) | 0.55* |
Age (Mean, SE) | 37.2 (11.1) | 42.6 (9.7) | 37.7 (11.8) | 0.081** |
Residence (%) | ||||
Medellín | 32 (78.0) | 35 (81.4) | 35 (81.4) | |
Other municipalities | 9 (22.0) | 8 (18.6) | 8 (18.6) | 0.906* |
Concomitant factors (%) | ||||
Stress | 34 (82.9) | 29 (67.4) | 30 (69.8) | 0.227* |
Sleeplessness | 24 (58.5) | 18 (41.9) | 23 (53.5) | 0.290* |
Longer positions | 27 (65.9) | 34 (79.1) | 29 (67.4) | 0.342* |
Muscles with trigger point (%) | ||||
Trapezius muscle | 37 (90.2) | 42 (97.7) | 39 (90.7) | 0.326* |
Levator scapulae | 31 (75.6) | 27 (62.8) | 26 (60.5) | 0.290* |
Infraspinatus | ||||
muscle | 12 (29.3) | 12 (27.9) | 13 (31.0) | 0.953* |
Physical examination (%) | ||||
Alteration sensitive | 8 (19.5) | 7 (16.3) | 8 (18.6) | 0.924* |
Referred pain | 22 (53.7) | 36 (83.7) | 23 (53.5) | 0.004* |
Local twitch response | 29 (70.7) | 26 (61.9) | 22 (51.2) | 0.183* |
Visual Analogue | ||||
Scale for Pain (Mean, SD) | 63.5 (13.9) | 68.7 (17.0) | 64.2 (16.2) | 0.340** |
PHQ 9 (Mean, SD) | 5.6 (3.2) | 5.9 (4.2) | 5.6 (3.5) | 0.995 ** |
Quality of life SF-36 (Mean, SD) | ||||
Bodily pain (BP) | 38.8 (14.4) | 35.2 (14.3) | 38.5 (16.4) | 0.642** |
Role-emotional (RE) | 66.4 (35.0) | 75.8 (38.7) | 67.2 (36.8) | 0.273** |
Role-physical (RP) | 51.2 (40.0) | 51.1 (37.7) | 42.4 (37.6) | 0.498** |
Physical functioning (PF) | 79.5 (17.8) | 72.5 (20.5) | 81.7 (11.9) | 0.095** |
Social function (SF) | 69.5 (22.0) | 68.0 (26.6) | 71.8 (23.6) | 0.799** |
General health (GH) | 67.4 (18.3) | 57.3 (21.9) | 70.7 (15.4) | 0.01** |
Mental health (MH | 67.8 (14.2) | 65.5 (18.9) | 67.4 (17.5) | 0.805** |
Vitality (VT) | 54.2 (13.9) | 54.7 (19.2) | 60.7 (19.3) | 0.181** |