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. 2018 Jan 24;4:4. doi: 10.1038/s41531-017-0040-2

Table 2.

Safety summary

Number of patients (%)
Summary Non-responder (N = 52) Responder (N = 272) Robust responder (N = 213)
Discontinued due to: 24 (46.2) 28 (10.3) 20 (9.4)
Administrative 4 (7.7) 9 (3.3) 7 (3.3)
Adverse event 12 (23.1) 10 (3.7) 9 (4.2)
Lack of efficacy 1 (1.9) 1 (0.4) 1 (0.5)
Protocol violation 1 (1.9) 1 (0.4) 1 (0.5)
Withdrew consent 6 (11.5) 7 (2.6) 2 (0.9)
Any adverse event (AE) 47 (90.4) 251 (92.3) 194 (91.1)
Any severe AE 20 (38.5) 76 (27.9) 57 (26.8)
Any serious AE 23 (44.2) 82 (30.1) 64 (30.0)
AEs occurring in ≥10% patients in any patient group
Complication of device insertiona 20 (38.5) 93 (34.2) 70 (32.9)
Abdominal pain 15 (28.8) 86 (31.6) 64 (30.0)
Procedural pain 10 (19.2) 57 (21.0) 49 (23.0)
Nausea 10 (19.2) 44 (16.2) 35 (16.4)
Incision site erythema 10 (19.2) 32 (11.8) 27 (12.7)
Vomiting 8 (15.4) 20 (7.4) 15 (7.0)
Procedural site reaction 7 (13.5) 25 (9.2) 18 (8.5)
Sleep attacks 6 (11.5) 15 (5.5) 12 (5.6)
Pneumoperitoneum 6 (11.5) 13 (4.8) 11 (5.2)
Hallucination 6 (11.5) 10 (3.7) 6 (2.8)
Postoperative wound infection 5 (9.6) 45 (16.5) 33 (15.5)
Constipation 5 (9.6) 42 (15.4) 31 (14.6)
Dyskinesia 5 (9.6) 26 (9.6) 23 (10.8)
Fall 4 (7.7) 45 (16.5) 35 (16.4)
Insomnia 4 (7.7) 40 (14.7) 30 (14.1)
Urinary tract infection 4 (7.7) 33 (12.1) 25 (11.7)
Upper respiratory tract infection 4 (7.7) 4 (1.5) 3 (1.4)
Excessive granulation tissue 2 (3.8) 50 (18.4) 38 (17.8)
Weight decreased 1 (1.9) 30 (11.0) 22 (10.3)

aEvents with this term were most often additionally coded to abdominal pain, abdominal discomfort, abdominal distension, flatulence, and pneumoperitoneum