Table 6.

Paired-t-test metrics for GTPA and estimated area by all UNet models for ICA database.

Models	Mean ± SD	Std Error of Mean	Mean Difference	SD of Differences	Std Error of Mean Difference	95% CI	Test Statistic-t	p-Value
UNet	44.5496 ± 24.2130	0.7774	−2.9449	4.5716	0.1468	−3.2330 to −2.6568	−20.063	<0.0001
UNet++	43.5908 ± 24.2386	0.7783	−3.9037	5.0739	0.1629	−4.2234 to −3.5840	−23.962	<0.0001
UNet3P	44.2960 ± 24.1313	0.7748	−3.1985	5.3020	0.1702	−3.5326 to −2.8644	−18.789	<0.0001
Fractal-UNet	43.8306 ± 23.6977	0.7609	−3.6639	5.4349	0.1745	−4.0063 to −3.3314	−20.996	<0.0001
Squeeze-UNet	43.8814 ± 23.9853	0.7701	−36131	4.7915	0.1538	−3.9150 to −3.3112	−23.485	<0.0001
Attention-UNet	44.1855 ± 24.3427	0.7816	−3.3090	4.5570	0.1463	−3.5961 to −3.0219	−22.615	<0.0001

GTPA: Mean = 47.4945 mm²; SD = 25.8415 mm².