Efficacy and safety of botulinum toxin in treatment of anismus: A systematic review

Table 2 Assessment of the methodological qualities of case-series studies included in the review

Items	Shafik et al[17]	Ron et al[18]	Maria et al[19]	Hompes et al[21]	Zhang et al[22]
Multi-center study	0	0	0	0	0
Clearly defined objective	1	1	1	1	1
Reported inclusion exclusion criteria	0	1	1	0	0
Clearly defined outcomes	0	1	1	1	1
Prospective data collection	1	1	1	1	1
Patients were recruited consecutively	0	1	0	0	0
Clearly described results of the study?	1	1	1	1	1
Stratified outcomes	1	1	1	1	1
Total Score	4	7	6	5	5

Yes = 1, no (not reported) = 0; Total score, 8; ≤ 3 = poor quality; 4-6 = fair quality; ≥ 7 = good quality.