Table 2. GEE coefficients of LF parameters of infants born preterm BPD+ (base: BPD–)

MaleFemale
β95% ICβ95% IC
FVC (mL)–76.1–112.9; –39.320.3–61.2; 101.7
FEF50 (mL/s)–60.4–178.4; 57.6136.845.3; 228.3
FEF75 (mL/s)–53.1–107.5; 1.3162.9–2.4; 12.4
FEF25-75 (mL/s)–94.8–176.6; –13.1137.635.6; 239.6
FEV0.5 (mL/s)–50.0–74.8; –25.237.0–7.7; 81.8
FEV0.5/FVC–0.02–0.09; 0.050.070.0002; 0.14