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Table 1 Overall number of admissions for specified conditions (MDC), and number of admissions in the first and last year of observation

From: Trends in hospital admissions at a Department for Infectious Diseases in Italy from 1995 to 2011 and implications for health policies

   Admissions Unadjusted model Adjusted model
MDC Description Period 1995-2011 1995 2011 Slope ± SD Deviation from zero - p value Slope ± SD Deviation from zero - p value sex- and age-adjusted
N % N % N %
01 Diseases and disorders of the nervous system 709 2.70 17 1.58 28 1.76 −0.61 ± 0.96 0.53 −0.61 ± 0.66 0.37 a
02 Diseases and disorders of the eye 62 0.24 3 0.28 8 0.50 0.093 ± 0.16 0.57 / /
03 Diseases and disorders of the ear, nose, mouth and throat 339 1.29 8 0.74 24 1.50 1.0 ± 0.39 0.02 0.81 ± 0.29 0.006 b
04 Diseases and disorders of the respiratory system 2614 9.96 8 0.74 235 14.73 15 ± 1.9 <0.0001 14.5 ± 1.48 <0.0001 a,b
05 Diseases and disorders of the cardiovascular system 443 1.69 2 0.19 41 2.57 1.7 ± 0.61 0.014 1.51 ± 0.45 0.001 a,b
06 Diseases and disorders of the digestive system 953 3.63 9 0.83 76 4.76 2.6 ± 1.3 0.064 1.87 ± 0.84 0.03 b
07 Diseases and disorders of liver, gallbladder and pancreas 3329 12.68 55 5.10 159 9.97 0.92 ± 3.0 0.076 0.92 ± 2.32 0.69 a
08 Diseases and disorders of the musculoskeletal system and connective tissue 629 2.40 5 0.46 60 3.76 4.3 ± 0.56 <0.0001 3.85 ± 0.59 <0.0001 b
09 Diseases and disorders of the skin, subcutaneous tissue and breast 896 3.41 9 0.83 62 3.89 1.5 ± 1.2 0.23 1.03 ± 0.80 0.20 b
10 Endocrine, nutritional and metabolic diseases and disorders 72 0.27 1 0.09 6 0.38 0.076 ± 0.17 0.65 / /
11 Diseases and disorders of the kidney and urinary tract 432 1.65 1 0.09 52 3.26 2.3 ± 0.45 0.0001 1.91 ± 0.49 0.0003 b
12 Diseases and disorders of the male reproductive tract 65 0.25 1 0.09 9 0.56 0.22 ± 0.13 0.098 / /
13 Diseases and disorders of the female reproductive tract 31 0.12 1 0.09 1 0.06 −0.014 ± 0.093 0.88 / /
14 Pregnancy, childbirth and puerperium 2 0.01 0 / 0 / / / / /
15 Diseases and disorders of the neonatal period 1 0.00 0 / 0 / / / / /
16 Diseases and disorders of blood, myelopoietic and immune system 238 0.91 10 0.93 17 1.07 0.53 ± 0.30 0.10 0.53 ± 0.30 0.18
17 Diseases and myeloproliferative disorders and poorly differentiated tumors 380 1.45 1 0.09 15 0.94 0.50 ± 0.66 0.46 −0.32 ± 0.44 0.46 a,b
18 Infectious and parasitic diseases (systemic or unspecified sites) 2978 11.35 23 2.13 333 20.88 14 ± 2.0 <0.0001 14.00 ± 1.68 <0.0001 a
19 Diseases and Mental Disorders 28 0.11 1 0.09 1 0.06 −0.21 ± 0.17 0.25 / /
20 Abuse of alcohol / drug induced organic mental disorders 27 0.10 1 0.09 1 0.06 −0.33 ± 0.20 0.14 / /
21 Injury, poisoning and toxic effects of drugs 127 0.48 2 0.19 9 0.56 −0.099 ± 0.32 0.76 −0.08 ± 0.19 0.63
22 Burns 2 0.01 0 / 0 / / / / /
23 Factors influencing health status and use of health services 79 0.30 21 1.95 1 0.06 −0.79 ± 0.28 0.014 / /
24 Multiple relevant trauma 3 0.01 0 / 0 / / / / /
25 HIV infection 11657 44.41 897 83.21 452 28.34 −23 ± 6.0 0.002 −22.52 ± 9.56 0.02 a,b
  other DRG 81 0.31 1 0.09 2 0.13 0.16 ± 0.15 0.28 −0.19 ± 0.55 0.73 a
  Pre MDC 71 0.27 1 0.09 3 0.19 −0.24 ± 0.21 0.28 / /
  1. Mean annual change based on the slope of the regression line in the crude and multivariate adjusted models.
  2. MDC with less than 100 observations have been excluded in the multivariate model adjusted for sex and class of age.
  3. a= significantly associated to sex; b= significantly associated to age (≥45 years). Bold indicates statistically significant results.
  4. MDC Major Diagnostic Category, DRG Diagnosis-Related Group, SD standard deviation.