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Table 1 Relation between PG and different parameters (n = 300)

From: Advanced trends in magnetic resonance imaging in assessment of lumbar intervertebral degenerative disk disease

   PG F p
1 (n = 34) 2 (n = 72) 3 (n = 86) 4 (n = 86) 5 (n = 22)
T2 mapping Central
Min.–Max. 91.0–180.0 77.0–184.0 64.0–154.0 54.0–110.0 66.0–166.0 27.003* < 0.001*
Mean ± SD. 133.06 ± 32.85 124.50 ± 24.02 102.49 ± 23.24 77.53 ± 14.55 109.18 ± 33.82
Median 122.0 125.50 102.0 78.0 98.0
Peripheral
Min.–Max. 56.0–86.0 56.0–144.0 52.0–147.0 45.0–95.0 56.0–184.0 6.905* < 0.001*
Mean ± SD. 74.71 ± 7.97 82.06 ± 19.98 76.02 ± 20.46 65.28 ± 13.32 96.55 ± 41.63
Median 72.0 78.50 71.0 65.0 78.0
All
Min.–Max. 77.0–121.0 77.0–137.0 65.0–138.0 56.0–96.0 70.0–144.0 19.291* < 0.001*
Mean ± SD. 101.12 ± 13.27 102.69 ± 14.32 89.81 ± 16.80 75.49 ± 11.70 101.82 ± 26.29
Median 98.0 102.0 88.0 75.0 100.0
Diffusion C
Min.–Max. 1.57–2.04 1.43–2.70 1.01–2.21 1.15–2.60 1.10–1.87 8.018* < 0.001*
Mean ± SD. 1.78 ± 0.16 1.82 ± 0.29 1.72 ± 0.25 1.54 ± 0.24 1.47 ± 0.28
Median 1.80 1.74 1.81 1.51 1.52
P
Min.–Max. 1.08–2.22 1.02–2.12 1.09–2.54 1.01–2.70 1.08–1.58 3.303* 0.013*
Mean ± SD. 1.54 ± 0.32 1.55 ± 0.25 1.62 ± 0.31 1.51 ± 0.30 1.27 ± 0.16
Median 1.55 1.59 1.57 1.46 1.30
All
Min.–Max. 1.40–1.84 1.24–2.40 1.0–2.10 1.12–2.45 1.11–1.58 8.036* < 0.001*
Mean ± SD. 1.62 ± 0.14 1.65 ± 0.25 1.61 ± 0.22 1.47 ± 0.27 1.28 ± 0.15
Median 1.59 1.63 1.61 1.42 1.28
  1. F: for ANOVA test, p: p value for association between PG and different parameters
  2. *Statistically significant at p ≤ 0.05