Table 4 WHO multivariate model (variables were WHO danger signs) and augmented multivariate model (variables were the WHO danger signs, and the following: CD4 count, body mass index, being on ART, hypotension, and confusion) for predicting the secondary outcome (any one of: hospital admission for > 7 days, death in hospital, transfer to a tertiary level hospital, or transfer to a tuberculosis hospital)
Variable | WHO multivariate model | Augmented multivariate model | ||||
|---|---|---|---|---|---|---|
Category | aORa | 95% confidence interval | Wald’s p value | aOR | 95% confidence interval | Wald’s p value |
Respiratory rate > 30 | ||||||
No | Referent group | Referent group | ||||
Yes | 1.19 | 0.79 to 1.79 | 0.408 | 1.21 | 0.79–1.85 | 0.376 |
Heart rate > 120 | ||||||
No | Referent group | Referent group | ||||
Yes | 0.96 | 0.60 to 1.55 | 0.883 | 0.93 | 0.57–1.52 | 0.722 |
Temperature > 39 °C | ||||||
No | Referent group | Referent group | ||||
Yes | 1.01 | 0.60 to 1.68 | 0.980 | 0.97 | 0.57–1.64 | 0.899 |
Unable to walk | ||||||
No | Referent group | Referent group | ||||
Yes | 4.48 | 3.05 to 6.57 | < 0.001 | 3.96 | 2.66–5.90 | < 0.001 |
CD4 cells/µLb | 0.85 | 0.73–0.98 | 0.025 | |||
BMI (kg/m2)c | 0.97 | 0.93–1.00 | 0.073 | |||
On ART at admission | ||||||
No | Referent group | |||||
Yes | 1.28 | 0.84–1.96 | 0.249 | |||
Hypotensived | ||||||
No | Referent group | |||||
Yes | 0.95 | 0.60–1.52 | 0.838 | |||
Confused | ||||||
No | Referent group | |||||
Yes | 1.48 | 0.87–2.53 | 0.146 | |||