Table 3.

Relationships between the age, severity of leakage scores, MEP latencies, and number of sites with abnormal lumbar and sacral MEP latencies between patients with a history of anorectal trauma, type of FI, gender and ethnicity

	History of anorectal trauma/surgery			FI type				Gender			Ethnicity
	yes	no	p	passive	urge	combined	p	male	female	p	black	white	P
Age (years)	61.9±2.9	57.8±3.8	0.393	64.1±4.6	58.7±3.2	56.0±7.3	0.612	62.3±3.5	58.5±3.2	0.690	58.5±3.9	60.1±3.2	0.690
FISI	11.9±1.0	14.4±1.0	0.070	12.7±1.5	14.3±1.0	11.0±1.5	0.238	14.8±1.4	12.7±0.9	0.201	12.4±1.5	13.7±0.9	0.440
FISS	16.5±0.7	12.6±0.7	0.001	14.4±1.1	14.2±0.9	14.8±1.9	0.931	12.1±1.1	15.3±0.6	0.023	14.3±1.2	14.4±0.7	0.873
No. of sites with abnormal MEP latency	5.1±0.7	4.2±0.6	0.226	4.6±1.0	4.7±0.6	4.4±0.9	0.929	3.9±0.9	4.9±0.5	0.259	3.9±0.8	4.9±0.5	0.320
Left lumbar anal (s)	6.0±0.5	5.6±0.7	0.407	5.7±1.0	5.9±0.6	5.7±0.8	0.852	5.3±0.7	6.0±0.6	0.750	5.3±0.6	6.0±0.6	0.595
Right lumbar anal (s)	6.0±0.8	6.3±0.6	0.464	5.2±0.7	7.1±0.7	4.8±0.3	0.054	5.4±0.4	6.5±0.6	0.633	6.3±0.9	6.2±0.6	0.710
Left sacral anal (s)	5.7±0.5	4.8±0.5	0.180	4.5±0.6	5.7±0.5	4.7±1.0	0.232	4.6±0.4	5.5±0.5	0.353	5.2±0.9	5.2±0.4	0.614
Right Sacral anal (s)	6.5±0.6	6.0±0.6	0.495	5.1±0.5	6.8±0.6	6.0±0.8	0.362	5.4±0.6	6.5±0.5	0.203	6.2±0.5	6.2±0.6	0.750
Left lumbar rectal (s)	4.2±0.2	3.6±0.5	0.102	3.7±0.7	4.1±0.4	3.3±0.5	0.633	2.9±0.4	4.2±0.4	0.034*	3.9±0.3	3.8±0.4	0.595
Right lumbar rectal (s)	4.2±0.3	3.9±0.5	0.092	4.1±0.2	4.1±0.5	3.6±0.6	0.415	3.6±0.3	4.2±0.4	0.381	3.6±0.4	4.2±0.4	0.253
Left Sacral rectal (s)	4.8±0.6	4.4±0.5	0.643	3.8±0.6	5.1±0.5	3.9±0.5	0.343	4.5±0.8	4.6±0.4	0.751	4.2±0.6	4.8±0.4	0.267
Right sacral rectal (s)	5.2±0.7	4.5±0.5	0.435	4.4±1.2	5.0±0.5	4.6±0.7	0.262	3.8±0.4	5.2±0.6	0.067	4.6±0.5	4.8±0.6	0.770

Data are expressed as mean±SEM. FI= fecal incontinence; FISI= FI severity Index; FISS= the FI Severity Assessment; MEP= motor evoked potentials.