. 2016 Jun 10;31(1):64–77. doi: 10.1007/s00464-016-4982-y

Table 1.

Study characteristics

Study (author, YoP)	Design	Malignant	Benign	Patients (n)		Age		BMI (kg/m²)		ASA classification
Study (author, YoP)	Design	Malignant	Benign	IA	EA	IA	EA	IA	EA	IA	EA
Anania, 2012	Retrospective CCS	+	−	39	33	74.5 (53–89)^b	74 (45–96)^b	26.3 (20–37)^b	28.1 (19.9–37)^b	NR	NR
Chaves, 2011	Retrospective CCS	+	+	35	25	62.6 (13.4)^a	58.9 (12.9)^a	25.9 (3.1)^a	26.7 (3.9)^a	17/18^c	15/10^c
Fabozzi, 2010	Retrospective CCS	+	−	50	50	62.1 (8.3)^a	59.4 (9.5)^a	21.4 (2.3)^a	22.1 (1.6)^a	2 (1–2)^b	2 (1–2)^b
Lee, 2013	Retrospective CCS	+	+	51	35	70 (43–90)^b	66 (48–93)^b	25.7 (18–46.5)^b	25.4 (18.3–45.3)^b	3 (2–4)^b	3 (1–3)^b
Magistro, 2013	Prospective CCS	+	+	40	40	70.9 (13.4)^a	71.2 (10.5)^a	24.8 (2.8)^a	23.9 (4.4)^a	2 (1–3)^b	2 (1–3)^b
Marchesi, 2013	Retrospective CCS	+	+	28	27	66.2^a	67.7^a	26.1^a	26.2^a	19/9^c	17/10^c
Milone, 2015	Retrospective CCS	+	+	286	226	67.7 (12.6)^a	65.6 (11.4)^a	25.2 (3.8)^a	25.4 (3.8)^a	2 (1–4)^b	2 (1–4)^b
Roscio, 2012	Retrospective CCS	+	−	42	30	63.5 (10.3)^a	63.7 (10.3)^a	26.0 (4.0)^a	26.3 (3.8)^a	2 (1–3)^b	2 (1–3)^b
Scatizzi, 2010	Retrospective CCS	+	−	40	40	70 (47–87)^b	68.5 (41–85)^b	28^a	27^b	2 (1–3)^b	2 (1–3)^b
Shapiro, 2015	Retrospective CCS	+	−	91	100	72 (45–90)^b	72 (49–90)^b	27.8 (4.6)^a	26.9 (4.3)^a	3 (1–4)^b	3 (1–4)^b
Trastulli, 2015	Retrospective CCS	+	+	40	94	71.5^a	70.8^a	26.6^a	25.4^a	2 (1–3)^b	2 (1–3)^b
Vergis, 2015	Retrospective CCS	+	+	21	29	65^a	69^a	27^a	28^a	2.65^a	3.04^a

YoP year of publication, CCS case-controlled series, ASA American Society of Anaesthesiologists, N number

^aMean (SD), ^b median (range), ^c ASA-score 1 + 2/3 + 4, number of patients