Statistik, 15th Edition

992

Kap. XV: Meta-Analyse

Tab. 35: Asthma Bronchiale - Effektmaß Quotient der Mittelwerte

μκ/ßc-

Al-

ternative Meta-Analyse im Fixed Effects Modell der 2 Studien aus Tab. 27 in

Abschnitt 14.1.2

Asthma Bronchiale φ =

μe/mc

Alternative Meta-Analyse

Parameter im FE-Modell

a = £

E

(RE)

2.68

a/-y/c

31.0

b = £

C

(RE)

2.55379

b/Vd 29.5

c = d = Var μ

0.007833

t = too

;

o.975 = Uo.975

1.96

Φη = μ

Ε

(ΚΕ)/μσ(ΚΕ)

1.04942

Φ

=

(Φι

+

Φ2)/2

1.051

Var^H

0.002524

95% - KIfe(ME/MC)h

[0.95548, 1.15310]

MFE) = Σ WiX

Ei

/

Σ WJ,

μο

(FE) = Σ WiX

Ci

/

£ WJ,

Var/Ϊ = Σ(1 " 2/^ί)/(Σ Wj)

2

, Wf = (124

•

64)/(126 · 0.81

2

) = 9.79784

2

Wl = (52 · 28)/(54 · 0.87

2

) = 5.968492

2

, vgl. Ta