Colonic J-pouch anal anastomosis after ultralow anterior resection with upper sphincter excision for low-lying rectal cancer

Table 1 Clinicopathologic characteristics of patients.

	Nonpouch (n = 26)	J-pouch (n = 24)
Sex (M:F)	18:8	11:03
Age (years, median)	59 (32-76)	57 (37-68)
Tumor size (cm, median)	4.9 (2.5-7.5)	3.2 (2.1-8.0)
Distance of tumor	4.0 (3.5-4.5)	3.9 (3.5-4.5)
from anal verge (cm, mean)
Distal resection	0.7 (0.3-1.5)	0.8 (0.3-1.4)
margin (cm, median)1
Number of ileostomies (%)	26 (100)	24 (100)
Time of ileostomy	7 (3-16)	7 (3-18)
takedown (mo, median)
Differentiation	3:20:1:2	5:17:2:0
(WD:MD:PD:mucinous)
pT stage (T1:T2:T3)	3:7:16	2:08:14
pN stage (N0:N1:N2)	14:8:4	10:11:3
Postoperative radiotherapy (%)	17 (65)	12 (50)
Complications (%)	5 (19.2)	3 (12.5)
Recurrences	4 (15.4)	2 (8.3)
	Local recurrence (2)	Local recurrence (2)
	Liver (1), lung (1)

All probability values between nonpouch and pouch subgroups are >0.05.

¹The length of the distal resection margin did not include the portion in the EEA stapler.

Table 2 Comparison of FISI scores and FIQL scales.

FISI score
		Nonpouch	J-pouch	P	1-β2
3	mo	38.9	31.2	0.017	0.7677
12	mo	27.7	18.6	0.032	0.7747
FIQL scales
		Nonpouch	J-pouch	P	1-β2
3	mo	(n = 22)	(n = 21)
	Lifestyle	1.96	2.61	0.011	0.8223
	Coping	1.74	2.41	0.004	0.8961
	Depression	2.24	2.91	0.016	0.7786
	Embarrassment	2.05	2.73	0.018	0.7717
12	mo	(n = 22)	(n = 19)
	Lifestyle	2.67	3.37	0.015	0.8312
	Coping	2.59	3.18	0.040	0.7011
	Depression	2.83	3.64	0.004	0.9154
	Embarrassment	2.98	3.23	0.267	0.2663

²1-β: power calculation.

Table 3 Correlation between FISI scores and FIQL scales.

Spearman’s rho	FISI (3 mo)	FISI (12 mo)
FIQL (3 mo)
Lifestyle	-0.420a
Coping	-0.311
Depression	-0.254
Embarrassment	-0.383a
FIQL (12 mo)
Lifestyle		-0.484b
Coping		-0.413b
Depression		-0.563b
Embarrassment		-0.396a

^aP<0.05,

^bP<0.01.