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Table 5 Between-group comparison of Mean Nirschl stage at baseline and after 2 and 6 weeks of treatment

From: Comparison of short term results of single injection of autologous blood and steroid injection in tennis elbow: a prospective study

  Pre injection At 2 weeks At 6 weeks
Group I 4.84 (0.94) 3.20 (0.91) 2.40 (1.15)
Group II 4.52 (1.23) 3.48 (1.39) 1.40 (1.22)
P value # 0.3065 0.436 0.0045
Significance NS NS HS
  1. #unpaired t test, NS – not significant, HS – highly significant.