Ultrasound-Guided Transforaminal Injections of Platelet-Rich Plasma Compared with Steroid in Lumbar Disc Herniation: A Prospective, Randomized, Controlled Study
Table 5
Longitudinal outcomes of life quality and nerve function for the steroid group over time.
Outcome
Time
Steroid group ()
value#
PF of SF-36 (median (1st-3rd))
Baseline
65.0 (55.0-80.0)
Ref
1 week
70.0 (60.0-90.0)
0.152
1 month
88.0 (75.0-95.0)
<0.001
3 months
90.0 (70.0-95.0)
<0.001
6 months
90.0 (88.0-95.0)
<0.001
1 year
90.0 (80.0-95.0)
<0.001
value over time↑
<0.001
BP of SF-36 (median (1st-3rd))
Baseline
41.0 (41.0-52.0)
Ref
1 week
47.0 (41.0-61.0)
1.000
1 month
52.0 (41.0-72.0)
0.004
3 months
74.0 (51.0-94.0)
<0.001
6 months
72.0 (62.0-94.0)
<0.001
1 year
74.0 (62.0-94.0)
<0.001
value over time↑
<0.001
F-wave rate (%, median (1st-3rd))
Baseline
82.0 (80.0-95.0)
Ref
1 year
95.0 (90.0-100.0)
<0.001
F-wave latency (ms, median (1st-3rd))
Baseline
48.9 (47.8-50.8)
Ref
1 year
45.2 (43.6-46.3)
<0.001
1st-3rd: 1st-3rd quartiles; SF-36: the 36-item short form health survey; PF: physical function; BP: bodily pain. # value compares difference from baseline using post hoc test or Wilcoxon signed-rank test. ↑ value indicates significance of overall change over time using the Friedman test.