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Table 1 Characteristics of the study sample (N = 26,505)

From: Statistical models for analyzing count data: predictors of length of stay among HIV patients in Portugal using a multilevel model

  N %
Gender
 Male 19,011 71.73
 Female 7494 28.27
Age
 18–29 1436 5.42
 30–39 6801 25.66
 40–49 9375 35.37
 50–59 5205 19.64
 60–69 2303 8.69
  > =70 1385 5.23
Region of residence (NUTS II)
 Non Resident 357 1.35
 Norte 6453 24.35
 CENTRO 3806 14.36
 LISBON 14,033 52.94
 ALENTEJO 326 1.23
 ALGARVE 1530 5.77
Having SNS a
 Yes 756 2.85
 No 25,749 97.15
Year
 2009 3863 14.57
 2010 3735 14.09
 2011 3576 13.49
 2012 3537 13.34
 2013 3146 11.87
  2014 2502 9.44
 2015 2223 8.39
 2016 2189 8.26
 2017 1734 6.54
HIV as a primary diagnosis
 No 8586 32.39
 Yes 17,919 67.61
Asymptomatic HIV
 No 24,758 93.41
 Yes 1747 6.59
Hepatitis B
 No 25,357 95.67
 Yes 1148 4.33
Hepatitis C
 No 19,843 74.87
 Yes 6662 25.13
Associated TB infection
 No 24,581 92.74
 Yes 1924 7.26
Pneumocystis
 No 24,654 93.02
 Yes 1851 6.98
Cytomegalovirus
 No 25,853 97.54
 Yes 652 2.46
Mycobacterium disease
 No 24,779 93.49
 Yes 1726 6.51
Candidiasis
 No 22,206 83.78
 Yes 4299 16.22
Toxoplasmosis
 No 25,267 95.33
 Yes 1238 4.67
Kaposi Sarcoma
 No 25,556 96.42
 Yes 949 3.58
Weight loss
 No 25,649 96.77
 Yes 856 3.23
Number of procedures
  < =5 7525 28.39
 6–8 6720 25.35
 9–11 5576 21.04
  > 11 6684 25.22
Number of diagnosis
  < =5 9114 34.39
 6–7 5514 20.80
 8–10 5761 21.74
  > 10 6116 23.07
Emergency Admission
 No 4424 16.69
 Yes 22,081 83.31
30-day Readmission
 No 23,549 88.85
 Yes 2956 11.15
Hospital Death
 No 23,316 88.0
 Yes 3192 12.0
Recurrent Pneumonia
 No 26,326 99.32
 Yes 179 0.68
Mode of transfer
 No transfer 23,995 90.53
 Transferred b 2510 9.47
Hospital Death
 No 23,316 88.0
 Yes 3192 12.0
30-day Readmission
 No 23,549 88.85
 Yes 2956 11.15
  1. NUTS II Nomenclatura de Unidades Territoriais para Fins Estatísticos, nível II (Nomenclature of territorial units for statistics, 2 level); R.A. Região Autónoma (Autonomous Region)
  2. a National Health Insurance
  3. b transfer for conducting exams or follow up or lack of resources or treatment of associated condition