Three- and Five-Year Follow-Up of a Combined Inpatient-Outpatient Treatment of Obese Children and Adolescents

Table 1

Mean differences in BMI and BMI-SDS from baseline to the end of the 1-year program and to 3- and 5-year follow-up (mean (SD); 𝑁=596; baseline observation carried forward).

Time period	Average change of BMI (kg/m^2): mean (SD)	Test statistics^1	Average change of BMI-SDS: mean (SD)	Test statistics^1
1-year program; (Baseline to end of program)	−1.75 (2.48)	Mdn = −1.38; 𝑧 = −14.67, 𝑃 < 0.001	−0.35 (0.41)	Mdn = −0.28; 𝑧 = −17.18, 𝑃 < 0.001
12th to 36th month follow-up; (End of the program to 3 years after baseline)	1.90 (2.94)	Mdn = 1.63; 𝑧 = −13.80, 𝑃 < 0.001	0.15 (0.43)	Mdn = 0.12; 𝑧 = −8.76, 𝑃 < 0.001
36th to 60th month follow-up; (3 years after baseline to 5 years after baseline)	0.35 (3.07)	Mdn = 0.00; 𝑧 = −3.41, 𝑃 < 0.010	0.05 (0.46)	Mdn = 0.00; 𝑧 = −2.29, 𝑃 < 0.050
Baseline to 36th month follow-up; (Baseline to 3 years after baseline)	0.16 (3.22)	Mdn = 0.00; 𝑧 = −0.88, n.s.	−0.20 (0.49)	Mdn = 0.00; 𝑧 = −9.09, 𝑃 < 0.001
Baseline to 60th month follow-up; (Baseline to 5 years after baseline)	0.51 (3.11)	Mdn = 0.00; 𝑧=−3.51, 𝑃<0.001	−0.15 (0.51)	Mdn = 0.00; 𝑧 = −6.74, 𝑃 < 0.001

1Test statistics calculated by Wilcoxon-test.
SD: standard deviation.
Mdn: median.