Table 1.

Analysed publications with information about patient positioning.

Authors [references]	Number of cases	Patient positioning
		P	S	L	R	Lat	N
36 [5, 6, 10–22, 25, 26, 28–45 ∗]	1	16	11	6	3	0	(0)
Kuo et al. [23]	2	0	2	0	0	0	(0)
Ibukuro et al. [24]	3	1	2	0	0	0	(0)
Hare et al. [2]	4	3	1	0	0	0	(0)
Um et al. [27]	4	1	2	0	0	0	(1)
Ishii et al. [4]	10	7	2	0	0	1	(0)
Freund et al. [3]	23	19	0	0	0	0	(4)
42	82	47	20	6	3	1	(5)

P: prone, S: supine, L: left-lateral, R: right-lateral, Lat: lateral but not specified, N: not mentioned.

∗: own case report.