Table 1. Comparison of socio-demographic and clinical characteristics of clustered and non-clustered TB cases.
| Parameters | Clustered | Non clustered | Total | p value |
|---|---|---|---|---|
| N° | 31(%) | 54(%) | 85 | |
| Age group | ||||
| <35 | 5(16.1%) | 12(22.2%) | 17(20%) | 0.499 |
| >35 | 26(83.9%) | 42(77.8%) | 68(80%) | |
| Gender | ||||
| Male | 18(58.1%) | 30(55.6%) | 48(56.5% | 0.822 |
| Female | 13(41.9%) | 24(44.4%) | 37(43.5%) | |
| Inmigrant | ||||
| Spanish-born | 29(93.5%) | 39(72.2%) | 68(80%) | 0.023 |
| Foreign-born | 2(6.5%) | 15(27.8%) | 17(20%) | |
| Place of residencea | ||||
| Rural | 15(48.4%) | 25(46.3%) | 40(47.1%) | 0.853 |
| Urban | 16(51.6%) | 29(53.7%) | 45(52.9%) | |
| Site of TB | ||||
| Extrapulmonary | 4(12.9%) | 11(20.4%) | 15(17.6%) | 0.556 |
| Pulmonary | 27(87.1%) | 43(79.6%) | 70(82.4%) | |
| HIV status | ||||
| HIV- | 31(100%) | 43(79.6%) | 74(87.1%) | |
| HIV+ | 0 | 5(9.3%) | 5(5.9%) | |
| ND | 0 | 6(11.1%) | 6((7%) | |
| Alcohol use | ||||
| Non | 16(51.6%) | 36(66.7%) | 52(61.2%) | 0.255 |
| Yes | 11(35.5%) | 14(25.9%) | 25(29.4%) | |
| ND | 4(12.9%) | 4(7.4%) | 8(9.4%) | |
| Smoking | ||||
| Non | 19(61.3%) | 27(50%) | 46(54.1%) | 0.204 |
| Yes | 10(32.2%) | 26(48%) | 36(42.4%) | |
| ND | 2(6.5%) | 1(2%) | 3(3.5%) | |
| Smear | ||||
| Positive | 21(67.7%) | 39(72.3%) | 60(70.6%) | 0.475 |
| Negative | 10(32.3%) | 13(24%) | 23(27.0%) | |
| ND | 0 | 2(3.7%) | 2(2.3%) | |
| Chronic diseaseb | ||||
| Non | 13(42%) | 29(53.8%) | 42(49.4%) | 0.058 |
| Yes | 15(48.3%) | 13(24%9 | 28(33%) | |
| ND | 3(9.7%) | 12(22.2%) | 15(17.6%) |
a Rural <30.000 inhabitants Urban > = 30.000 inhabitants
b Diabetes, malignant disease, immunosuppression not mediated by HIV
ND: Not data available.