Table 2 Descriptive characteristics of patients in Groups CF NBS and Group CF

Body Weight in the 5th year of life (kg),

 mean (SD), min.-max

18.30 (1.92), 15.00–21.00

17.77 (2.43), 14.50–23.00

 median (Q₁-Q₃), min.-max.

19 (17–20), 15.00–21.00

17 (16–20), 14.50–23.00

Body Weight in the 8th year of life (kg),

 mean (SD), min.-max

25.27 (1.85), 22.00–28.00

25.11 (4.60), 19.00–38.00

 median (Q₁-Q₃), min.-max.

25 (24–27), 22.00–28.00

24.50 (21–27), 19.00–38.00

Absolute weight gain 5–8 years (kg),

 mean (SE), min.-max.

6.57 (0.46), 3.00–11.50

7.23 (0.48), 2.50–15.00

 median (Q₁-Q₃), min.-max.

6.50 (5–8), 3.00–11,.50

6.00 (5–8), 2.50–15.00

Date of CF diagnosis (month of life),

 mean (SD), min.-max.

1.59 (0.9), 2.7

45.25 (47.77), 1–180

 median (Q₁-Q₃), min.-max.

2 (2–3), 2–7

34.50 (6–66), 1–180

Infection of PA in the 8th year, n (%)

10 (50.00)

27 (58.70)

Infection of MRSA in the 5th year, n (%)

6 (22.22)

13 (30.23)

Number of exacerbation in 5–8 years,

 mean (SD), min.-max.

4.20 (2.50), 2–9

6.77 (3.18), 2–14

 median (Q₁-Q₃), min.-max.

3 (2–5), 2–9

6 (4–9), 2–14

Number of hospitalizations in 5–8 years,

 mean (SD), min.-max.

0.50 (0.61), 0–2

2.14 (1.82), 0–9

 median (Q₁-Q₃), min.-max.

0 (0–1), 0–2

2 (1–3), 0–9

FEV1 in the 5th year (% of pred. value),

 mean (SD), min.-max.

91.93 (10.22), 72–105

89.75 (17.12), 47–119

 median (Q₁-Q₃), min.-max.

97 (82–99), 72–105

88 (81–105), 47–119

FEV1 in the 8th year (% of pred. value),

 mean (SD), min.-max.

92.30 (13.49), 65–110

88.20 (20.64), 42–138

 median (Q₁-Q₃), min.-max.

94 (83–104), 65–10

89 (77–98), 42–138