Table 2.
Summary of surgical outcomes between M-MIDLIF and M-TLIF groups
| Variables | M-MIDLIF (n = 28) |
M-TLIF (n = 28) |
t/Z/X2 | p value |
|---|---|---|---|---|
| Surgical time from skin to skin (h) | 4.10 ± 0.92 | 4.18 ± 0.81 | −0.352 | 0.726 |
| Intraoperative blood loss (ml) | 68.57 ±14.84 | 171.79 ±12.78 | −6.492 | 0.001<# |
| Postoperative drainage (ml) | 33.93 ±9.17 | 65.36 ±10.36 | −6.29 | 0.001<# |
| Surgical incision length(cm) | 3.42 ±0.79 |
L:3.11 ±0.54 R:2.89 ±0.62 |
||
| Integrity of the PLC | 26(92.85%) | 28(100%) | 0.491* | |
| Surgical Complications | ||||
| Dural tear | 1(3.57%) | 1(3.57%) | 1.000* | |
| Cage retropulsion and subsidence | 1(3.57%) | 2(7.14%) | 1.000* | |
| Recognizable rate of internal “˄” shape crest | 0.373 | 0.541 | ||
| Radiographic recognizable rate | 51(91.07%) | - | ||
| Intraoperative visual recognizable rate | 49(87.50%) | - | ||
| Postoperative hospital stay(Day) | 9.39 ± 3.93 | 9.00 ± 2.86 | −0.207 | 0.836 |
| Time to get out of bed after surgery (Day) | 5.71 ± 1.10 | 5.75 ± 1.10 | −0.138 | 0.890 |
L Left and R Right
*p- value was calculated by Fisher’s precision probability test
# p-value was calculated by the Mann-Whitney U test