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Table 3 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 Mortality (anatomical model vs Traditional Planning): all included patients
Count Total% No 30-day Mort. 30-day Mort. Total Fisher’s Exact Test
SoC 111
76.03%
2
1.37%
113
77.40%
Null Hypothesis:
• Probability of 30-day mortality is greater for surgeries planned with an anatomical model
• P-value = 0.5978
3DP 33
22.60%
0
0.00%
33
22.60%
Total 144
96.63%
2
1.37%
146
100.0%