Brief Article
Copyright ©2013 Baishideng Publishing Group Co.
World J Gastroenterol. Jul 14, 2013; 19(26): 4177-4184
Published online Jul 14, 2013. doi: 10.3748/wjg.v19.i26.4177
Table 1 Baseline characteristics of study population n (%)
CSP (n = 80)NDP (n = 80)P value
Age (yr)59.1 ± 11.459.4 ± 11.70.847
20 ≤ age < 403 (3.8)5 (6.2)
40 ≤ age < 6038 (47.5)43 (53.8)
age ≥ 6039 (48.7)32 (40)
Gender0.210
Male41 (51.3)45 (56.3)
Female39 (48.7)35 (43.7)
Marital status > 0.999
Married75 (93.8)76 (96.0)
Single or divorced5 (6.2)4 (4.0)
Education0.320
Middle school20 (25.0)13 (16.2)
High school31 (38.8)28 (35.0)
University22 (27.5)32 (40.0)
Graduate school7 (8.7)7 (8.8)
Residence0.609
Urban73 (91.3)70 (87.5)
Rural7 (8.7)10 (12.5)
ASA status0.896
Class I32 (40)36 (45.0)
Class II48 (60)44 (55.0)
Class III0 (0.0)0 (0.0)
Class IV0 (0.0)0 (0.0)
Class V0 (0.0)0 (0.0)
Table 2 Endoscopic characteristics of study population n (%)
CSP (n = 80)NDP (n = 80)P value
Indication of colonoscopy0.260
Abnormality on other study2 (2.5)4 (5.0)
Stool occult blood positive9 (11.2)13 (16.2)
Screening47 (58.8)42 (52.5)
Anemia  0.0 (0) 1.0 (1.2)
Diarrhea3(3.8)4 (5.0)
Surveillance after polyp removal6 (7.5)11 (13.8)
Abdominal pain13 (16.2)5 (6.3)
Ottawa Quality Scale3.9 ± 2.54.3 ± 2.80.382
Procedural time (min)
Insertion10.7 ± 8.58.6 ± 5.50.059
Withdrawal12.8 ± 6.211.8 ± 5.50.309
Number of polyp1.1 ± 1.80.8 ± 1.50.266
Number of examinees with polyps47 (58.8)42 (52.5)0.525
Method of polyp removal0.521
Biopsy25 (52.1)22 (56.4)
Snaring polypectomy15 (31.3)8 (20.5)
Endoscopic mucosal resection8 (16.6)9 (23.1)
Adverse events
Bleeding0 (0.0)0 (0.0)-
Perforation0 (0.0)0 (0.0)-
Cecal approach 80 (100) 80 (100)-
Pain scale13.5 ± 2.73.7 ± 2.40.719
Genders between examinee and endoscopist0.525
Same gender42 (52.5)47 (58.8)
Different gender38 (47.5)33 (41.2)
Table 3 Comparison of satisfaction rated by Group Health Association of America 9 survey by favorable response rate and likert scale, pants specific satisfaction, state anxiety and shame after colonoscopy between novel double pants and conventional single pants
FRR, n (%)
Likert scale (mean ± SD)
CSPNDPP valueCSPNDPP value
GHAA9
Appointment wait time73 (91.3)72 (90.0)> 0.9993.7 ± 0.73.6 ± 0.90.351
Waiting on procedure day74 (92.5)76 (95.0)0.7463.8 ± 0.83.9 ± 0.80.649
Personal manner of physician78 (97.5)79 (98.8)> 0.9994.4 ± 0.64.4 ± 0.60.712
Technical skills of physician74 (92.5)76 (95.0)0.7464.1 ± 0.84.1 ± 0.70.564
Personal manner of support staff77 (96.3)78 (97.5)> 0.9994.3 ± 0.74.0 ± 0.50.546
Adequacy of explanation of what was done74 (92.5)78 (97.5)0.2764.0 ± 0.64.0 ± 0.50.902
Overall rating of visit75 (93.8)74 (92.5)> 0.9993.9 ± 0.63.9 ± 0.60.806
Yes/No questions
Would have procedure by same physician: Yes78 (97.5)77 (96.3)> 0.999
Would have procedure at same facility: Yes79 (98.8)79 (98.8)> 0.999
Pants specific satisfaction
Difficulty in defecation3.7 ± 0.53.8 ± 0.40.106
Difficulty in position change3.7 ± 0.53.8 ± 0.30.175
Worriness about exposing buttock area in procedure3.3 ± 0.72.9 ± 0.7 < 0.001
Will to wear same pants at next colonoscopy2.1 ± 0.93.3 ± 0.8 < 0.001
Will to recommend to other people to wear same pants2.0 ± 1.03.3 ± 0.7 < 0.001
Before colonoscopy
Total scores of trait anxiety39.2 ± 8.8 39.4 ± 8.20.904
Total scores of state anxiety37.9 ± 8.2 39.9 ± 8.80.144
After colonoscopy
Total scores of state anxiety35.4 ± 6.9 33.0 ± 7.00.028
Total scores of shame8.1 ± 3.26.6 ± 1.5 < 0.001
Change of state anxiety before and after the procedure-2.4 ± 7.6-6.9 ± 8.40.001
Table 4 Univariate and multivariate analysis of pants specific satisfaction after colonoscopy
Predictive factorsOutcome (pants specific satisfaction)
Outcome (state anxiety after colonoscopy)
Outcome (shame after colonoscopy)
Univariate
Multivariate
Univariate
Multivariate
Univariate
Multivariate
B (SE)P valueB (SE)P valueB (SE)P valueB (SE)P valueB (SE)P valueB (SE)P value
Sex
MaleRef.Ref.Ref.Ref.Ref.
Female0.04 (0.36)0.9134.29 (1.06)0.9133.52 (1.14)0.0021.31 (0.40)0.0011.25 (0.37)0.001
Age-0.02 (0.01)0.1040.01 (0.04)0.104-0.01 (0.01)0.928
Marital status
MarriedRef.Ref.Ref.Ref.Ref.Ref.
Unmarried-1.6 (0.7)0.033-1.82 (0.61)0.0044.48 (2.40)0.0334.45 (2.22)0.0472.79 (0.87)0.0022.78 (0.81)0.001
Education
Middle schoolRef.Ref.Ref.
High school-0.04 (0.49)0.931-1.81 (1.53)0.931-0.01 (0.57)0.998
University0.27 (0.50)0.506-2.64 (1.55)0.5060.22 (0.58)0.697
Graduate school0.57 (0.73)0.430-2.50 (2.24)0.4300.15 (0.84)0.853
Type of pants
CSPRef.Ref.Ref.Ref.Ref.Ref.
NDP2.70 (0.29)< 0.0012.72 (0.28)< 0.001-2.43 (1.10)< 0.001-1.80 (1.04)0.086-1.47 (0.39)< 0.001 -1.37 (0.37)0.001
Residence
Rural areaRef.Ref.Ref.Ref.
Urban area-0.46 (0.58)0.4304.2 (1.7)0.4304.68 (1.70)0.0070.93 (0.67)0.165
Genders between examinee and endoscopist
Same genderRef.Ref.Ref.Ref.
Different gender-0.36 (0.36)0.3083.90 (1.07)< 0.0011.45 (1.15)0.2090.65 (0.41)0.115