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Table 2 Comparison of GPE after treatment in the two groups (n, %)

From: Transforaminal epidural steroid injection combined with radio frequency for the treatment of lumbar disc herniation: a 2-year follow-up

Time

Group

P

T (n = 110)

TR (n = 120)

1 month

88 (80.0%)

98 (81.7%)

0.715

3 months

83 (75.5%)

99 (82.5%)

0.042

6 months

78 (70.9%)

91 (75.8%)

0.008

12 months

61 (55.5%)

82 (68.3%)

0.015

24 months

Total

49 (44.5%)

76 (63.3%)

0.030

Without further surgery

21 (29%)n = 72

56 (58%) n = 95

0.013

After open surgery

28 (80%)n = 38

20 (80%) n = 25

0.577

  1. Notes: GPE results: percentages of patients with score ≥ 5. Data are presented as numbers (%) of patients. Group T: TFESI; Group TR: TFESI combined with RF. Group T compared to Group TR, *P < 0.05
  2. Abbreviations: GPE global perceived effect, TFESI transforaminal epidural steroid injection, RF radio frequency