Table 1 Demographic and clinical characteristics of patients according to method of surgery
PLF | PLIF | TLIF | P-value | |
|---|---|---|---|---|
Group 1 | Group 2 | Group 3 | ||
(n = 30) 59 levels | (n = 40) 70 levels | (n = 50) 90 levels | ||
Gender | 0.305 | |||
Male | 12(40) | 12 (30) | 19 (38) | |
Female | 18 (60) | 28 (70) | 31 (62.) | |
Age, mean (SD); range | 36-69 | 29-73 | 29-75 | 0.072 |
(36–69) | 51.6 | 45.9 | ||
Duration of symptoms (Months) | 2 m -25y (7.8) | 3 m-29y (6.78) | 5 m- 20 y (5.4 y) | |
Chronic back Pain | 24 (80) | 35 (87.5) | 35 (70) | 0.188 |
Radiating pain | 0.006 | |||
unilateral | 18 (60) | 10 (25) | 30 (60) | |
bilateral | 9(30) | 20 (50) | 15 (30) | |
Sensory disturbance | 0.608 | |||
yes | 28 (93.4) | 32 (80.) | 31 (62) | |
bilateral | 18 | 17 | 7 | |
unilateral | 10 | 15 | 24 | |
no | 2 (6.6) | 8(20) | 19 (38) | |
Muscle weakness | 0.930 | |||
yes | 10(33.4) | 15(37.5) | 21(42) | |
no | 20 (66.6) | 25 (62.5) | 29 (68) | |
Claudication | 0.616 | |||
yes | 22 (73.3) | 30 (75) | 45 (90) | |
No | 8 (26,7) | 10 (25) | 5 (21.6) | |
Sphincter disturbance | 0.361 | |||
normal | 28 (93.3) | 37(92.5) | 49 (95) | |
abnormal | 2 (6.7) | 3 (7.5) | 1 (5) |