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The demographic data of the patients in two groups.
| Variable | Modified MIS-TLIF group (n = 18) | Conventional TLIF group (n = 22) | p |
|---|---|---|---|
| Age (years) | 55.61 ± 9.29 | 56.59 ± 7.13 | 0.716 |
| Gender (female/male) | 13/5 | 17/5 | 0.731 |
| Segment [n (%)] | 0.750 | ||
| L4 | 9 (50%) | 9 (40.9%) | |
| L5 | 9 (50%) | 13 (59.1%) | |
| Meyerding grade [n (%)] | 0.427 | ||
| I | 16 (88.9%) | 17 (77.3%) | |
| II | 2 (11.1%) | 5 (22.7%) |
MIS-TLIF = minimally invasive transforaminal lumbar interbody fusion.
