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. 2016 Jun 28;22(3):497–508. doi: 10.5056/jnm15089

Table 1.

Baseline Patient Characteristics

Characteristics Experiment group (n = 38) Control group (n = 36) t or χ2 P
Age (mean ± SD, yr) 52.45 ± 14.38 53.17 ± 12.11 −0.232 0.817
Gender (n) 2.044 0.194
 Male 13 (34.2%) 7 (19.4%)
 Female 25 (65.8%) 29 (80.6%)
BMI (mean ± SD, kg/m2) 23.02 ± 2.31 23.38 ± 3.88 −0.492 0.624
Marital Status (n) 0.816 0.889
 Unmarried 3 (7.9%) 2 (5.6%)
 Married 29 (76.3%) 26 (72.2%)
 Divorced 3 (7.9%) 5 (13.9%)
 Widowed 3 (7.9%) 3 (8.3%)
Monthly Income (n) 5.194 0.164
 ≤ 3000 yuan 3 (7.9%) 8 (22.2%)
 3001–5000 yuan 13 (34.2%) 14 (38.9%)
 5001–10000 yuan 12 (31.6%) 5 (13.9%)
 ≥ 10000 yuan 10 (26.3%) 9 (25.0%)
Sleep Quality (n) 2.567 0.680
 Very good 3 (7.9%) 2 (5.6%)
 Good 10 (26.3%) 6 (16.7%)
 General 17 (44.7%) 15 (41.7%)
 Poor 6 (15.8%) 9 (25.0%)
 Very poor 2 (5.3%) 4 (11.1%)
Complications (n) 2.545 0.770
 None 2 (5.3%) 3 (8.3%)
 Proctitis 3 (7.9%) 4 (11.1%)
 Anal fissure 12 (31.6%) 7 (19.4%)
 Hemorrhoid 17 (44.7%) 20 (55.6%)
 Intestinal obstruction 2 (5.3%) 1 (2.8%)
 Angina pectoris 2 (5.3%) 1 (2.8%)
Underlying comorbidity (n) 1.364 0.714
 None 16 (42.1%) 13 (36.1%)
 Diabetes 9 (23.7%) 12 (33.3%)
 Hypertension 11 (28.9%) 8 (22.2%)
 Abdominopelvic surgery 2 (5.3%) 3 (8.3%)
Complete spontaneous bowel movement (n) 0.207 0.649
 Yes 3 (7.9%) 5 (13.9%)
 No 35 (92.1%) 31 (86.1%)
Frequency of bowel movements (n) 1.741 0.628
 3 times or more than 3 times per week 7 (18.4%) 9 (25.0%)
 2 times per week 16 (42.1%) 14 (38.9%)
 Once per week 13 (34.2%) 9 (25.0%)
 Less than once per week 2 (5.3%) 4 (11.1%)
Straining (n) 0.004 0.950
 Yes 36 (94.7%) 33 (91.7%)
 No 2 (5.3%) 3 (8.3%)
Incomplete evacuation (n) 0.439 0.508
 Yes 29 (76.3%) 24 (66.7%)
 No 9 (23.7%) 12 (33.3%)
Disease course (mean ± SD, yr) 8.56 ± 7.06 10.03 ± 7.09 −0.895 0.374