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Adjusted perforation rates by patient and hospital characteristics, appendicitis patients in Taiwan (aged 15 or above), 1997–2001 |
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| Characteristics |
Adjusted ruptured rate (%) |
95% CI |
|
|
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| Mental disorder status |
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| No major mental disorder |
23.8 |
23.5–24.1 |
| Schizophrenia |
46.9 |
40.8–53.2 |
| Affective psychosis |
26.5 |
19.3–35.1 |
| Other major mental disorders |
33.1 |
21.8–46.8 |
| Gender |
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| Female |
20.4 |
20.1–20.8 |
| Male |
27.3 |
26.9–27.7 |
| Age (years) |
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| 15–24 |
18.5 |
18.1–19.0 |
| 25–34 |
18.5 |
18.0–19.0 |
| 35–44 |
23.7 |
23.1–24.3 |
| 45–54 |
29.6 |
28.8–30.5 |
| 55–64 |
36.6 |
35.5–37.8 |
| 65–74 |
42.7 |
41.3–44.0 |
| ≥ 75 |
51.1 |
49.3–52.9 |
| Ethnicity |
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| Non-aboriginal |
23.8 |
23.5–24.1 |
| Aboriginal |
26.2 |
24.6–27.9 |
| SES |
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| ≥ NT$40,000 |
23.0 |
22.3–23.7 |
| NT$20,000 ~ NT$39,999 |
23.5 |
23.0–24.1 |
| <NT$20,000 |
23.8 |
23.3–24.3 |
| Without a well-defined monthly wage |
24.6 |
24.1–25.1 |
| Hospital ownership |
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| Public |
20.6 |
20.0–21.3 |
| Nonprofit |
23.7 |
23.2–24.1 |
| Profit |
26.4 |
25.7–27.0 |
| Hospital accreditation level |
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| District Hospital-nonteaching |
22.6 |
21.7–23.6 |
| District Hospital-teaching |
17.9 |
17.3–18.6 |
| Regional Hospital |
24.5 |
24.0–25.0 |
| Medical Center |
28.8 |
27.9–29.7 |
| Hospital volume |
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| ≥ 360 |
23.2 |
22.5–24.0 |
| 210–360 |
23.3 |
22.7–23.9 |
| 80–210 |
23.9 |
23.3–24.5 |
| 0–80 |
25.2 |
24.3–26.0 |
| Hospital's geographic location |
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| Taipei Branch |
22.1 |
21.6–22.6 |
| Northern Branch |
22.1 |
21.4–22.8 |
| Central Branch |
27.4 |
26.6–28.1 |
| Southern Branch |
26.2 |
25.4–27.0 |
| Kao-Ping Branch |
24.4 |
23.8–25.1 |
| Eastern Branch |
20.5 |
19.0–22.2 |
| Year |
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| 1997 |
26.1 |
25.5–26.8 |
| 1998 |
25.4 |
24.7–26.0 |
| 1999 |
24.7 |
24.1–25.3 |
| 2000 |
22.2 |
21.6–22.8 |
| 2001 |
21.5 |
20.9–22.1 |
Tsay et al. BMC Public Health 2007 7:331 doi:10.1186/1471-2458-7-331 |
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