Perioperative outcomes in minimally invasive lumbar spine surgery: A systematic review

Table 2 Studies comparing perioperative outcomes of minimally invasive laminectomy vs open laminectomy

	Length of surgery (min) ± SD		Estimated blood loss (cc) ± SD		Neurologic complications		Length of stay (d) ± SD
	MIS	Open	MIS	Open	MIS	Open	MIS	Open
RCTs/IRCTs
Cho et al[14]	259 ± 122	193 ± 68	154 ± 135	132 ± 128	-	-	4.0 ± 2.9	7.2 ± 1.6
Usman et al[15]	69 ± 0.1	65 ± 0.1	-	-	-	-	4.7 ± 0.5	3.5 ± 0.5
Mobbs et al[17]	-	-	40	110	4%	7%	2.3	4.2
Watanabe et al[16]	69 ± 29	82 ± 36	44 ± 75	55 ± 48	0%	0%	-	-
Clinical case series
Rahman et al[18]	110 ± 10	157 ± 7	52 ± 14	246 ± 32	5%	8%	2.1 ± 0.7	4.1 ± 0.4
Nomura et al[19]	187 ± 68	-	90 ± 94	-	2%	-	-	-
Parikh et al[20]	118 ± 40	-	41 ± 90	-	11%	-	1.2	1.3
Komp et al[21]	44	-	01	-	14%	-	-	-
Nomura et al[22]	772	-	15.02	-	0%	-	-	-
Tomasino et al[23]	102 ± 44	-	35 ± 76	-	11%	-	2.1	2.2
Wada et al[24]	144	-	60	-	7%	-	-	-

¹No measurable blood loss;

²Per level. SD: Standard deviation; RCT: Randomized controlled trial; IRCT: Incomplete randomized controlled trial; MIS: Minimally invasive.