Skip to main content
. 2024 Jul 12;24:339. doi: 10.1186/s12890-024-03155-x

Table 2.

Treatment effect (adjusted mean difference) for spirometry variables at 24, 48 and 72 weeks

Outcome Adjusted mean difference (95% CI)
24 weeks (n = 312) 48 weeks (n = 308) 72 weeks (n = 248) Overall effect
FEV1 -0.12 [-0.31, 0.07] 0.04 [-0.01, 0.09] 0.05 [-0.07, 0.16] 0.004 [-0.08, 0.09]
FEV1 z-score -0.02 [-0.05, 0.02] 0.02 [-0.04, 0.09] 0.03 [-0.05, 0.10] 0.004 [-0.08, 0.09]
FVC -0.19 [-0.51, 0.12] 0.04 [-0.02, 0.09] 0.06 [-0.07, 0.19] 0.03 [-0.02, 0.09]
FVC z-score -0.03 [-0.09, 0.03] 0.04 [-0.05, 0.13] 0.04 [-0.06, 0.13] 0.02 [-0.07, 0.12]
FEV1/FVC 0.02 [-0.03, 0.08] 0.01 [-0.01, 0.02] -0.01 [-0.03, 0.02] 0.005 [0.01, 0.02]
FEV1/FVC z-score 0.02 [-0.04, 0.08] -0.01 [-0.11, 0.09] 0.03 [-0.07, 0.14] -0.01 [-0.12, 0.09]

The models shows adjusted mean differences between the intervention and placebo arms with negative values indicating lower values in the intervention arm as compared to the placebo. The xtgee models were adjusted for sex, age, site and natural log HIV viral load