Table 6 The floor/ceiling effect of different items in the CSS questionnaire.

From: Evaluation of the Chinese version of the constipation scoring system in Chinese women with pelvic organ prolapse

 

Ceiling effect

Floor effect

1. Defecate frequency

0

76(84.4%)

2. Difficulties: painful bowel movements

4(4.4%)

46(51.1%)

3. Empty: Incomplete emptying

7(7.8%)

23(25.6%)

4. Pain: abdominal pain

2(2.2%)

65(72.2%)

5. Time: Try defecation time (minutes)

1(1.1%)

35(38.9%)

6. Assisted defecation: Assisted type

27(30.0%)

50(55.6%)

7. Failure to defecate: The number of failed defecations per 24 h

0

33(36.7%)

8. History: Course of constipation (year)

10(11.1%)

40(44.4%)

  1. Except for the assisted type, none of the items have ceiling effect. All items have floor effect.
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