Myocardial injury marker

Full Model

Reduced Model

Max postoperative CTnI concentration (µg/l)

Y_ijmn = C_i + DM_j + βE + I_m + (C_i*DM_j) + (C_i*βE) + (C_i*I_m)

+ (DM_i*βE) + (DM_j*I_m) + (βE*I_m) i = 0, 1 j = 0, 1 m = 1, 2, 3, 4 n = 1, ∙∙∙, n_ijm

Y_imn = C_i + I_m

i = 0, 1 m = 1, 2, 3, 4 n = 1, ∙∙∙, n_im

Max postoperative CK-MB concentration (µg/l)

Y_jlmn = γ.L + Cj + β.K + Gl + Im + (γ.L *Cj) + (γ.I*β.K)

+ (γ.L *Gl) + (γ.L *Im) + (Cj*β.K) + (C*G)jl

+ (C*I)jm + (β.K*Gl) + (β.K*Im) + (G*I)lm j = 0, 1 l = 0, 1 m = 1, 2, 3, 4 n = 1, ∙∙∙, n_jlm

Y_jlmn = Cj + Gl + Im + (C*I)jm + (G*l)lm j = 0, 1 l = 0, 1 m = 1, 2, 3, 4 n = 1, ∙∙∙, n_jlm