TABLE IV.
Correlation1 | Weight-for-length at age 1 y |
||||
---|---|---|---|---|---|
<15th %tile | 15–85th %tile | >85th %tile | p-value2 | ||
At age 6 y | |||||
FVC% | 0.13 | 103.88 (11.19) | 106.86 (13.90) | 108.44 (13.98) | 0.46 |
FEV1% | 0.12 | 102.50 (12.02) | 105.55 (14.44) | 105.50 (11.39) | 0.55 |
FVC | 0.25¶ | 1.42 (0.20)^* | 1.53 (0.24) | 1.60 (0.28) | 0.02 |
FEV1 | 0.22¶ | 1.25 (0.18)^* | 1.34 (0.22) | 1.37 (0.20) | 0.06 |
FEV0.5 | 0.21¶ | 0.95 (0.17)* | 1.01 (0.18) | 1.04 (0.16) | 0.11 |
At age 8 y | |||||
FVC% | 0.25¶ | 103.74 (12.26)* | 107.20 (12.60) | 112.27 (11.74) | 0.04 |
FEV1% | 0.24¶ | 96.42 (14.05)* | 101.21 (13.63) | 103.38 (11.19) | 0.10 |
FVC | 0.30¶ | 1.84 (0.30)* | 1.92 (0.30)* | 2.08 (0.28) | 0.01 |
FEV1 | 0.29¶ | 1.50 (0.28)* | 1.59 (0.26) | 1.68 (0.20) | 0.04 |
FEV0.5 | 0.25¶ | 1.12 (0.22)^* | 1.20 (0.22) | 1.24 (0.18) | 0.05 |
Correlation coefficients between weight-for-height percentiles at age 1 y and lung function test scores.
Overall group comparisons from simple regression.
p-value<0.05 for correlation coefficient test.
p<0.05 compared to weight-for-length 15–85th %tile group
p<0.05 compared to weight-for-length >85th %tile group