Table V.
Factors for FA persistence | Predicted class | Evidence strength | ||||||||||
Temporary FA |
Inversed (if temporary FA) |
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Protective | % | 95% CrI (%) | PO | 95% CrI | % | 95% CrI (%) | PO | 95% CrI | ||||
Male gender | 80* | 70.6 | 87.4 | 4.0* | 2.4 | 6.9 | 36* | 24.3 | 48.3 | 0.6* | 0.3 | 0.9 |
Health centre visits < 12 | 78* | 68.0 | 85.5 | 3.5* | 2.1 | 5.9 | 74* | 62.5 | 84.3 | 2.8* | 1.7 | 5.4 |
Body Mass Index <25 | 83* | 74.6 | 90.2 | 4.9* | 2.9 | 9.2 | 42 | 30.4 | 55.1 | 0.7 | 0.4 | 1.2 |
No fear of death | 77* | 66.7 | 84.5 | 3.3* | 2.0 | 5.5 | 79* | 68.1 | 88.4 | 3.8* | 2.1 | 7.6 |
No alcohol abstinence | 77* | 67.6 | 85.3 | 3.3* | 2.1 | 5.8 | 83* | 72.0 | 90.9 | 4.9* | 2.6 | 10.0 |
No irritable bowel syndrome | 72* | 61.6 | 80.5 | 2.6* | 1.6 | 4.1 | 93* | 84.7 | 97.7 | 13.3* | 5.5 | 41.9 |
Moderate patient satisfaction | 81* | 71.3 | 88.1 | 4.3* | 2.5 | 7.4 | 67* | 55.2 | 78.6 | 2.0* | 1.2 | 3.7 |
Persistent FA |
Inversed (If persistent FA) |
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Risk | % | 95% CrI (%) | PO | 95% CrI | % | 95% CrI (%) | PO | 95% CrI | ||||
Female gender | 36* | 26.8 | 47.0 | 0.6* | 0.4 | 0.9 | 80* | 62.9 | 92.3 | 4.0* | 1.7 | 11.9 |
Health centre visits ≥12 | 48 | 37.8 | 58.8 | 0.9 | 0.6 | 1.4 | 54 | 35.1 | 71.8 | 1.2 | 0.5 | 2.5 |
Body Mass Index ≥30 | 55 | 44.7 | 65.5 | 1.2 | 0.8 | 1.9 | 42 | 25.0 | 61.3 | 0.7 | 0.3 | 1.6 |
Fear of death | 50 | 40.1 | 61.0 | 1.0 | 0.7 | 1.6 | 46 | 28.2 | 64.9 | 0.9 | 0.4 | 1.8 |
Alcohol abstinence | 53 | 42.9 | 64.0 | 1.1 | 0.8 | 1.8 | 44 | 25.0 | 61.3 | 0.8 | 0.3 | 1.6 |
Irritable bowel syndrome | 55 | 44.7 | 65.5 | 1.2 | 0.8 | 1.9 | 20* | 7.7 | 37.1 | 0.3* | 0.1 | 0.6 |
Low patient satisfaction | 58 | 47.1 | 68.0 | 1.4 | 0.9 | 2.1 | 44 | 25.0 | 61.3 | 0.8 | 0.3 | 1.6 |
Notes: Presented together with posterior odds (PO) and their 95% credibility intervals (Crl). CrI: 95% credibility intervals based on Jeffreys interval.
* Credible difference. According to CrIs, all protective factors are credible presenting good-to-moderate POs. However, only female gender is a credible risk factor (PO 0.6; 95% CrI 0.4–0.9). Thus, model gives good guidance for avoiding persistent frequent attendance and is a feasible proactive prevention model, but it does not predict the risk very well. Most notably, this is due to modest sample size in the frequent FA group, because the evidence strength for risk factors is only credible for female gender (PO 4.0; 95% CrI 1.7–11.9) and irritable bowel syndrome (PO 0.3; 95% CrI 0.1–0.6). The evidence strength for protective factors is credible for all variables except for BMI.