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Table 1 Characteristics and findings of lung function test of the 242 subjects at the first (2003) and second (2010) survey

From: Lung function changes from childhood to adolescence: a seven-year follow-up study

  FEMALE MALE TOTAL
  2003 2010 Δ/year 2003 2010 Δ/year 2003 2010 Δ/year
Mean Mean Mean Mean Mean Mean Mean Mean Mean
(sd) (sd) (sd) (sd) (sd) (sd) (sd) (sd) (sd)
AGE 4.5 11.7 7.34 4.5 11.8 7.23 4.5 11.8 7.30
(0.7) (0.6) (0.48) (0.6) (0.7) (0.43) (0.7) (0.7) (0.46)
HEIGHT (cm) 110.3 150.1 5.3 111.7 150.7 5.5 111.1 150.4 5.5
(6.2) (8.5) (0.7) (6.3) (8.8) (0.7) (6.3) (8.7) (0.7)
WEIGHT (Kg) 18.8 42.6 3.4 20.0 44.8 3.3 19.5 43.9 3.3
(3.2) (9.3) (1.2) (3.8) (11.3) (1.0) (3.6) (10.5) (1.0)
BMI% 15.4 18.6 0.41 15.9 19.0 0.44 15.7 18.8 0.43
(1.8) (3.7) (0.59) (2.0) (4.9) (0.46) (1.9) (4.4) (0.54)
FVC(ml) 1054 2647 221 1144 2842 231 1105 2756 227
(239) (508) (55) (226) (533) (55) (236) (530) (55)
FEV 1 (ml) 1048 2293 176 1127 2426 177 1093 2367 177
(224) (420) (44) (211) (460) (52) (220) (447) (48)
FEV1%/FVC 96.6 85.3 −1.7 96.3 83.7 −1.8 96.4 84.3 −1.8
(4.4) (7.4) (1.1) (4.1) (6.0) (0.9) (4.3) (6.5) (1.0)
FEF 25–75 (ml/s) 1561 2718 159 1735 2706 131 1660 2711 143
(385) (728) (88) (949) (731) (162) (761) (729) (136)