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Table 2 Contingency tables illustrating the effect of anatomical model-based planning on 30-day readmission and 30-day mortality. Fisher’s exact test was used to determine probability for the rejection of the stated null hypothesis

From: 3D printing for congenital heart disease: a single site’s initial three-yearexperience

30-day Readmission (anatomical model vs Traditional Planning): all included patients
Count Total% No 30-day Readm. 30-day Readm. Total Fisher’s Exact Test
SoC 31
22.30%
78
56.12%
109
78.42%
Null Hypothesis:
• Probability of readmission is greater for surgeries planned with an anatomical model
P-value = 0.1609
3DP 12
8.63%
18
12.95%
30
21.58%
Total 43
30.94%
96
69.06%
139
100.0%