Table 2.
Multinomial logistic regression of risk factors for M. tuberculosis blood culture positivity*.
| Unadjusted RR (95%CI) | p-value | Adjusted RR (95% CI) | p-value | |
|---|---|---|---|---|
| Age, for each year increase | 0.95 (0.91–0.98) | 0.004 | 0.95 (0.90–1.00) | 0.040 |
| Female | 1.13 (0.58–2.22) | 0.71 | ||
| New HIV status | 2.21 (1.09–4.50) | 0.036 | 0.91 (0.36–2.27) | 0.83 |
| ART status | ||||
| Current use | 1.0 | 0.24 | ||
| Naïve | 1.81 (0.88–3.74) | |||
| Defaulted | 1.18 (0.43–3.25) | |||
| Previous history of TB treatment | ||||
| No | 1.0 | 0.17 | ||
| Yes | 0.63 (0.09–0.20) | |||
| Current cough | ||||
| No | 1.0 | 0.027 | 1.0 | 0.43 |
| Yes | 2.10 (1.08–4.09) | 1.41 (0.59–3.36) | ||
| Current weight loss | ||||
| No | 1.0 | 0.012 | 1.0 | 0.14 |
| Yes | 2.17 (1.12–4.20) | 4.20 (0.70–25.39) | ||
| Current fever | ||||
| No | 1.0 | 0.38 | ||
| Yes | 1.47 (0.64–3.36) | |||
| Current night sweats | ||||
| No | 1.0 | 0.030 | 1.0 | 0.25 |
| Yes | 2.05 (1.07–3.93) | 0.33 (0.05–2.01) | ||
| CD4 (cells/μL), for every 50 unit decrease | 1.61 (1.29–2.01) | <0.001 | 1.32 (1.05–1.66) | 0.004 |
| Viral load (copies/mL), for each log unit increase | 1.50 (1.18–1.90) | 0.003 | 1.20 (0.89–1.63) | 0.23 |
| Haemoglobin (g/dL), for each unit decrease | 1.40 (1.22–1.60) | <0.001 | 1.30 (1.09–1.56) | 0.003 |
| Platelet (×10 9 cells/L), for each 10 unit decrease) | 1.03 (1.01–1.06) | <0.001 | 1.03 (0.99–1.06) | 0.10 |
| Sodium (mmol/L), for each 1 unit decrease | 1.06 (0.99–1.14) | 0.11 | ||
| CRP (mg/L), for each 10 unit increase | 1.06 (1.03–1.10) | <0.001 | 1.06 (1.01–1.10) | 0.013 |
| eGFR (mL/min/1.73 m 2 ), for each unit decrease | 0.99 (0.94–1.04) | 0.60 | ||
*Among 410 patients with mycobacterial blood culture results available.