Table 3 Lung function of solderers and standardized mean differences (SMD) in spirometric parameters compared with controls
Study ID | FEV1 | FVC | FEV1/FVC | |||
|---|---|---|---|---|---|---|
Mean (±SD) | Mean difference (95% CI) | Mean (±SD) | Mean difference (95% CI) | Mean (±SD) | Mean difference (95% CI) | |
Burge et al. [24] | 74.8 (±16.5) | – | 95.2 (±30) | – | 84.6 (±9) | – |
Greaves et al. [26] | 99 (±17) | – | 98 (±16) | – | – | – |
Gupta et al. [25] (males) | 85.4 (±19.2) | −0.92 (−1.3, −0.6) | 78.5 (±13.2) | −1.27 (−1.62, −0.93) | 78.7 (±10.4) | −0.58 (−0.90, −0.25) |
Gupta et al. [25] (females) | 81.6 (±12.9) | −0.81 (−1.1, −0.5) | 75.5 (±15.1) | −0.90 (−1.22, −0.58) | 80.4 (±15.9) | −0.41 (−0.73, −0.10) |
Lee et al. [11] | 102.3 (±12.7) | −0.07 (−0.4, 0.3) | 96 (±12.7) | −0.07 (−0.39, 0.26) | 90.8 (±6) | −0.05 (−0.38, 0.27) |
Palmer and Crane [8] | 98.3 (±1.6) | −1.77 (−2.2, −1.3) | 107.8 (±1.6) | −0.33 (−0.71, 0.04) | – | – |
Pooled mean and SMD | FEV1 | FVC | FEV1/FVC | |||
|---|---|---|---|---|---|---|
Mean (95% CI) | SMD (95% CI) | Mean (95% CI) | SMD (95% CI) | Mean (95% CI) | SMD (95% CI) | |
97.85 (94.70, 100.95) | −0.88 (−1.51, −0.26) | 94.92 (81.21, 108.64) | −0.64 (−1.18, −0.10) | 86.5 (78.01, 94.98) | −0.35 (−0.65, −0.05) | |