Table 3.

Comparison of lung function changes in infants with below average or average somatic growth (n=9) to infants with above average somatic growth (n=9).

Growth parameter	Somatic growth		P value*
	Below average or average	Above average
Somatic growth grams/day, mean (SD)	4.8 (2.1)	10.0 (2.2)	<0.001
Weight for age, Z score, mean (SD)
First test	−1.46 (1.18)	−1.23 (0.98)	0.659
Second test	−1.59 (1.18)	−0.35 (0.65)	0.013
Change	−0.14 (0.42)	0.88 (0.90)	0.007
Height for age, Z score, mean (SD)
First test	−2.51 (1.43)	−2.10 (1.55)	0.561
Second test	−1.92 (1.31)	−0.81 (1.33)	0.093
Change	0.60 (0.70)	1.29 (1.42)	0.208
FVC, Z score, mean (SD)
First test	−0.67 (0.41)	−2.40 (1.83)	0.014
Second test	−1.36 (0.77)	−1.90 (1.72)	0.405
Change	−0.69 (.65)	0.50 (1.29)	0.025
FEV0.5, Z score, mean (SD)
First test	−1.54 (0.99)	−2.72 (2.07)	0.142
Second test	−1.90 (1.31)	−1.99 (1.61)	0.900
Change	−0.36 (0.54)	0.73 (1.12)	0.018
FEF75, Z score, mean (SD)
First test	−3.92 (2.30)	−3.24 (3.21)	0.613
Second test	−3.87 (2.80)	−3.21 (2.86)	0.627
Change	0.05 (1.06)	0.03 (0.9)	0.969
FEF25–75, Z score, mean (SD)
First test	−2.03 (1.50)	−1.55 (2.04)	0.579
Second test	−1.86 (1.69)	−1.25 (1.60)	0.446
Change	0.17 (0.55)	0.30 (0.69)	0.669
TLC, % predicted, mean (SD)
First test	87.7 (8.3)	78.2 (16.4)	0.143
Second test	82.1 (9.1)	78.3 (11.1)	0.441
Change	−7.5% (7.1%)	1.7% (10.4%)	0.044
RV, % predicted, mean (SD)
First test	101.4 (23.8)	108.6 (44.3)	0.677
Second test	105.3 (28.3)	103.6 (33.0)	0.904
Change	−0.33% (11.4%)	−0.33% (30.8%)	1.000
RV/TLC, mean (SD)
First test	109.8 (16.9)	135.1 (49.6)	0.166
Second test	123.8 (25.8)	131.8 (45.4)	0.652
Change	7.8% (9.7%)	−2.8% (10.1%)	0.037

^*P value calculated by ANOVA