Skip to main content

Advertisement

Table 1 Baseline demographic and clinical characteristics of participants by treatment group, reported as mean (standard deviation) unless otherwise specified

From: Prolotherapy injections and physiotherapy used singly and in combination for lateral epicondylalgia: a single-blinded randomised clinical trial

Characteristics Prolotherapy Combined Physiotherapy Total
n = 40 n = 40 n = 40 N = 120
Age, years 49.2 (7.2) 47.8 (7.0) 51.0 (9.0) 49.3 (7.8)
Women, N (%) 18 (45%) 18 (45%) 16 (40%) 52 (43%)
Duration, weeks median, (IQR) 23.0 (22.0) 19.5 (18.0) 21.0 (43.0) 22.0 (27.0)
Employment
 Manual work 17 (42.5%) 20 (50%) 24 (60%) 61 (50.8%)
 Non-manual work 19 (47.5%) 13 (32.5%) 11 (27.5%) 43 (35.8%)
 Not working 4 (10%) 7 (17.5%) 5 (12.5%) 16 (13.3%)
Previous episode of LE, N (%)
  12 (30%) 13 (33.3%) 15 (37.5%) 40 (33.6%)
Progress trajectory before study, N (%)
 Better 13 (33.3%) 12 (30.0%) 11 (28.9%) 36 (30.8%)
 Worse 13 (33.3%) 17 (42.5%) 12 (31.6%) 42 (35.9%)
 Same 13 (33.3%) 11 (27.5%) 15 (39.5%) 39 (33.3%)
Affected side, N (%)
 Right 28 (70%) 19 (47.5%) 24 (60%) 71 (59.2%)
 Left 6 (15%) 18 (45.0%) 6 (15%) 30 (25.0%)
 Bilateral 6 (15%) 3 (7.5%) 10 (25%) 19 (15.8%)
Dominant side affected, Proportion (%)
 Dominance = Right 32/36 (88.9%) 22/38 (57.9%) 32/36 (88.9%) 86/110 (78.2%)
 Dominance = Left 3/4 (75.0%) 2/2 (100.0%) 3/4 (75.0%) 8/10 (80.0%)
PRTEE, /100 31.6 (10.3) 31.3 (10.8) 33.5 (10.0) 32.1 (10.3)
Pain at rest, /10 2.0 (1.6) 1.8 (1.6) 2.1 (2.0) 1.9 (1.7)
Worst pain, /10 7.4 (1.6) 6.1 (2.4) 7.3 (2.0) 6.9 (2.1)
PFG, ratio affected/unaffected 0.56 (0.34) 0.55 (0.32) 0.64 (0.55) 0.58 (0.41)
EuroQoL, /100 82.6 (12.9) 83.1 (11.2) 80.4 (16.9) 82.1 (13.7)
  1. PRTEE = Patient-Rated Tennis Elbow Evaluation; LE = lateral epicondylalgia; PFG = pain-free grip; PPT = pressure pain threshold. Between-group comparisons based on chi-square tests for categorical variables and ANOVA for continuous variables (Mantel-Haenszel test for homogeneity of odds ratios for dominant side affected)