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Table 2 Clinical and epidemiological characteristics of tuberculosis cases

From: Factors associated with unreported tuberculosis cases in Spanish hospitals

  Total   Reported  
  N = 592   N = 507  
Variables n % n %
Age (years)     
18-30 146 24.7 128 25,25
31-50 237 40 212 41,81
51-64 62 10.5 52 10,26
>65 121 20.4 92 18,15
Unknown 26 4.4 23 4,54
Sex     
 Male 368 62.2 321 63,31
 Female 214 36.1 179 35,31
 Unknown 10 1.7 7 1,38
Employment     
 Employed 205 34.6 174 34,32
 Unemployed 184 31.1 169 33,33
 Retired 125 21.1 94 18,54
 Unknown/On disability 78 13.2 70 13,81
Living situation     
 With family 423 71.5 371 73,18
 Alone 42 7.1 33 6,51
 In a group 64 10.8 53 10,45
 Homeless 14 2.4 11 2,17
 Incarcerated 10 1.7 8 1,58
 Unknown 39 6.6 31 6,11
Center of diagnosis     
 Emergency department 320 54.1 283 55,82
 Primary care 113 19.1 94 18,54
 Specialized center 91 15.4 76 14,99
 Unknown or other 68 11.5 54 10,65
Smoking     
 Non-smoker 318 53.7 272 53,65
 Smoker 194 32.8 176 34,71
 Ex-smoker 80 13.5 59 11,64
Alcohol Use     
 Yes 116 19.6 104 20,51
 No 467 78.9 395 77,91
 Unknown 9 1.5 8 1,58
HIV status     
 Positive 25 4.2 23 4,54
 Negative 446 75.3 384 75,74
 Not known by patient 110 18.6 91 17,95
 Unknown 11 1.9 9 1,78
Previous tuberculosis treatment     
 No 543 91.7 464 91,52
 Yes 34 5.7 29 5,72
 Unknown 15 2.5 14 2,76
Country of origin     
 Spain 401 67.7 334 65,88
 Other 191 32.3 173 34,12
Drug resistance     
 No 579 97.8 496 97,83
 Yes 13 2.2 11 2,17
Chest radiograph     
 Abnormal with cavitation 208 35.1 191 37,67
 Abnormal without cavitation 284 48 235 46,35
 Normal 71 12 57 11,24
 Unknown 29 4.9 24 4,73
Microbiology     
 Smear-positive 287 48.5 260 51,28
 Smear-negative and  culture-positive 222 37.5 179 35,31
 Smear-negative and  culture-negative 67 11.3 55 10,85
 Other 16 2.7 13 2,56
Tuberculosis involvement     
 Pulmonary 405 68.4 362 71,40
 Extrapulmonary 71 12 54 10,65
 Mixed 44 7.4 36 7,10
 Unknown 72 12.2 55 10,85