Skip to main content
. 2014 Jan 6;60(3):179–188. doi: 10.1093/tropej/fmt104

Table 2.

Predictors of WAZ score change after 6 months of ARTa

Predictor Number Univariate P Number Multivariateb P
Disease stage 1694/3144 <0.001 1694/3144 <0.001
    I Reference Reference
    II 0.07 (–0.09, 0.23) 0.13 (–0.04, 0.30)
    III 0.30 (0.17, 0.42) 0.22 (0.08, 0.37)
    IV 0.69 (0.39, 1.00) 0.45 (0.16, 0.74)
ARV regimen 1694/3144 0.02 1694/3144 0.05
    No stavudine Reference Reference
    Contains stavudine 0.15 (0.02, 0.28) 0.12 (0.001, 0.24)
ARV regimen 1694/3144 0.78 1694/3144 0.89
    No efavirenz Reference Reference
    Contains efavirenz –0.02 (–0.19, 0.14) 0.01 (–0.15, 0.17)
Anemia, g/dlc 1694/3144 0.001 1694/3144 0.02
    No Reference Reference
    Yes 0.27 (0.11, 0.44) 0.17 (0.02, 0.31)
Age, years 1694/3144 0.001 1694/3144 <0.001
    0–2 Reference Reference
    >2–5 –0.01 (–0.15, 0.14) –0.07 (–0.21, 0.06)
    >5 –0.22 (–0.36, –0.09) –0.30 (–0.43, –0.17)
Use of cotrimoxazole 1694/3144 0.77 1694/3144 0.37
    No Reference Reference
    Yes 0.02 (–0.09, 0.12) –0.05 (–0.15, 0.06)
Opportunistic infectionsd 1694/3144 0.07 1694/3144 0.41
    No Reference Reference
    Yes 0.16 (–0.01, 0.33) 0.07 (–0.09, 0.23)
Pulmonary TB 1694/3144 0.21 1694/3144 0.70
    No Reference Reference
    Yes 0.08 (–0.04, 0.20) 0.02 (–0.10, 0.15)
Severe immune suppression (CD4+ T-cells < 15% if ≤5 years; <200 cells/μl if >5 years)e 1694/3144 <0.001 1694/3144 <0.001
    No Reference Reference
    Yes 0.37 (0.25, 0.50) 0.29 (0.18, 0.41)
Underweight at ART initiation (WAZ < –2 SD) 1694/3144 <0.001 1694/3144 <0.001
    No Reference Reference
    Yes 0.82 (0.73, 0.92) 0.78 (0.67, 0.88)

aLinear regression models.

bAdjusted for factors indicated in the table plus gender, district of residence and calendar year.

cHemoglobin: <11 g/dl (age < 5 years); <11.5 g/dl (age 5–11 years); <12 g/dl (age 12–14 years).

dPatient having at least one or more of the following: herpes zoster, fungal infection, oral candidiasis, oral hairy leukoplakia, recurrent severe bacterial infection, pneumocystis jirovecii pneumonia, toxoplasmosis, cryptosporidiosis with diarrhea, cryptococcal meningitis, extrapulmonary TB, lymphoma, kaposis sarcoma, HIV encephalopathy.

eAdopted from CDC. Guidelines for Preventing Opportunistic Infections Among HIV-Infected Persons – 2002. MMWR 14 June 2002 (CDC).