Table 3.

Minimally invasive spine surgery outcomes summary. VAST: Video-assisted thoracoscopy; MASS: Minimal access spine surgery; mMOT: Median mean operating time; mLOS: Median mean length of stay; NI: Median neurological improvement rate; PA: Median pain alleviation rate; mCR: Median complication rate; mMBL: Median mean blood loss.

	VAST (median (range))	MASS (median (range))
N =	105 patients	76 patients
mMOT	4.6 hours (2.6–6.5 hours)	3.7 hours (2.2–7 hours)
mLOS	7 days (6.5–7.5 days)	5 days (4–6.25 days)
mNI:	100% (92%–100%)	95% (62.5%–100%)
mPA:	100% (94%–100%)	100% (62.5%–100%)
mCR:	0% (0%–54%)	9% (0%–24%)
mMBL	1113 mL (350–1677 mL)	905 mL (227–1200 mL)