Parameters | AUSS-TLIF (N = 34) | MIS-TLIF (N = 37) | Statistics | P-value |
---|---|---|---|---|
Complications | Â | Â | Â | Â |
 Cage migration | 1 | 1 | χ2 = 3898 | 0.5324 |
 Postoperative dysesthesia | 2 | 1 |  |  |
 Cerebrospinal fluid leakage | 0 | 2 |  |  |
 Infection | 0 | 1 |  |  |
The status of fusion | Â | Â | Â | Â |
 Grade I | 23 | 24 | χ2 = 0.4427 | 0.5058 |
 Grade II | 9 | 12 |  |  |
 Grade III | 0 | 1 |  |  |
 Grade IV | 2 | 0 |  |  |
Clinical outcome | Â | Â | Â | Â |
 Excellent | 25 | 25 | χ2 = 0.2659 | 0.6061 |
 Good | 8 | 10 |  |  |
 Average | 1 | 2 |  |  |
 Poor | 0 | 0 |  |  |