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. 2021 Oct 23;40(2):585–591. doi: 10.1007/s00345-021-03863-7

Table 1.

Passage rate and angle of the postural drainage machine (X°, Y°)

Model number Angle (X°, Y°)
Upper calyx Middle calyx Lower calyx Passage rate
Right kidney
 1 (8, 46), (53,0) (15, 47), (40,0) (− 63, 60), (43,0) 3/3
 2 (54,0) (58, 60), (35,0) (− 56, 60), (− 38, 60), (68,0) 3/3
 3 (45, 60) (4, 60), (90, 0) (− 67, 60), (45, 60) 3/3
 4 (90,0), (53, 60)* (38, 60), (87, 60) (− 34, 60), (48, 60) 2/3
 5 (11, 20), (73, 60) (44, 60), (− 13, 57) (− 90,0), (− 14, 60) 3/3
 6 (16, 22), (53, 60) (14, 60) (− 40, 60), (23,0) 3/3
Left kidney
 7 (11, 22), (35,52) (24,60) (− 88,0), (90,60)# 3/3
 8 (25,60), (23,16) (− 1,18), (47,60) (− 45,15), (67,50) 3/3
 9 (15, 47), (40,0) (− 31,15), (23,33) (− 59,33), (41,24) 3/3
 10 (− 26,18), (66,33) (24,36) (− 62,17), (44,21) 3/3
 11 (45,40), (23,5) (32,11) (− 44,0), (20,57) 3/3
 12 (85,0), (18,19)* (− 31,37), (28,35) (− 31,37), (28,35) 2/3
 13 (− 4,0), (45,0), (30,60) (17,17), (30,60) (− 58,36), (60,60 3/3
 14 (85,0), (18,19)* (− 25,60), (0,60) (− 70,0), (− 5,60)* 2/3
 15 (39, 22), (38,27)* (10,40), (60,48) (− 45,0), (− 51,60), (67,60) 2/3
 16 (24, 22), (38,27) (− 5,11), (53,23) (− 45,56), (90,0) 3/3
 17 (66, 30), (5,40)* (21,48), (90,0) (− 33, 60), (− 27,60), (73,0) 2/3
 18 (38,35) (− 3,58), (60,48) (− 90,0), (50,55)# 3/3
 19 (67, 44), (− 22,36), (55,23)* (2,23), (57,51) (− 39), (56,60) 2/3
 20 (2,0), (51,48) (16,38), (64,60) (− 58,60), (31,36) 3/3
Total 14/20(70) 20/20(100) 19/20(95) 53/60

One group (X, Y) represents one segment of the path

*Indicates that no successful excretion occurred, and # indicates successful excretion with movement into other kidney calyces. Data are presented as no. passed/no. of attempts (%)