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Table 1 Patient demographics and baseline characteristics

From: Surgical outcomes of decompression alone versus transpedicular screw fixation for upper lumbar disc herniation

  Groups p value
Group 1
N=22
Group 2
N=24
Total
N=46
N % N % N %
Age (years) Mean ± SD 41.2±10.5 39.1±9.7 40.1±10.0 0.493
Sex Female 10 45.5 11 45.8 21 45.7 0.979
Male 12 54.5 13 54.2 25 54.3
Level T12-L1 5 22.7 5 20.8 10 21.7 0.922
L1-L2 7 31.8 9 37.5 16 34.8
L2-L3 10 45.5 10 41.7 20 43.5
Preoperative muscle weakness Absent 14 63.6 17 70.8 31 67.4 0.603
Present 8 36.4 7 29.2 15 32.6
Preoperative sphincteric disturbance No 16 72.7 16 66.7 32 69.6 0.655
Yes 6 27.3 8 33.3 14 30.4