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. 2020 Apr 23;10:6901. doi: 10.1038/s41598-020-63966-w

Table 2.

Patient and Study Characteristics in Controlled Studies of Conservative Surgery With or Without Presacral Neurectomy.

Study Prospective Enrollment Random Group Allocation Surgical Access No. Sites No. Patients* Mean Age (yr)* Moderate or Severe Disease* Symptom Duration* Follow-up Duration (mo)
Candiani, 199219 Yes Yes LPT 1 38, 40 33, 31 100%, 100% 36
Garcia, 197722 No No LPT 1 35, 36 [29, 29] [96%, 96%] [3], [3] 24
Liu, 201116 Yes No LPS 1 30, 34 37, 36 60%, 65% 6, 6 13
Polan, 198023 No No LPT 1 8, 19 36
Puolakka, 198024 No No LPS/LPT 1 51, 45 [35, 35] 31
Tjaden, 1990a20 Yes Yes LPT 1 4, 4 [30, 30] 100%, 100% 42
Tjaden, 1990b20 Yes No LPT 1 13, 5 [30, 30] 100%, 100% 42
Zullo, 2003/200412,13 Yes Yes LPS 1 71, 70 32, 30 38%, 35% ≥6, ≥6 24

LPS = laparoscopy; LPT = laparotomy.

Brackets represent estimated values.

*Data reported as presacral neurectomy group, control group.

Data not reported.