Adverse events of sacral neuromodulation for fecal incontinence reported to the federal drug administration

Table 4 Reported interventions based on patient problems

Primary concern	Sample	Conservative therapy	Operative therapy
Lack of benefit	325	Stimulation adjusted: 160 Medication: 3 System check: 7	Explant: 22 Replacement: 17 Pocket revision: 3
Pain or discomfort	97	Stimulation adjusted: 34 Medication: 4 System check: 2	Explant: 8 Replacement: 1 Pocket revision: 7
Lead problem	70	Stimulation adjusted: 3 System check: 2	Explant: 1 Replacement: 36
Programming problems	30	Stimulation adjusted: 11	Replacement: 1

The most commonly described corrective actions are listed for key concerns addressed in the narratives. Limited or lacking information accounts for the differences between total sample size of the subgroups defined by their primary concerns.