Application prospects of phased-array computed tomography in the diagnosis and treatment of digestive system diseases: A cross-sectional survey

Table 3 Results of subgroup analyses showing statistically significant differences

Dimension	Scenarios	Subgroup-1 (n)	M1 ± SD	Subgroup-2 (n)	M2 ± SD	Mean difference (95%CI)	t (degrees of freedom = 110)	P value	Cohen’s d value
Hospital grade	Detection and staging of early pancreatic cancer	Grade III class A (n = 64)	4.38 ± 0.71	Non-grade III class A (n = 48)	4.15 ± 0.73	0.23 (0.02-0.44)	2.18	0.032	0.32
	Dynamic assessment of gastrointestinal motility	Grade III class A (n = 64)	3.73 ± 0.90	Non-grade III class A (n = 48)	4.17 ± 0.76	0.44 (0.15-0.73)	3.04	0.003	0.52
Sub-specialty	Non-invasive quantitative assessment	Liver disease (n = 41)	4.12 ± 0.81	Non-liver disease (n = 71)	3.89 ± 0.91	0.23 (0.01-0.45)	2.07	0.041	0.27
	Assessment of necrotic extent in acute pancreatitis	Pancreatic disease (n = 31)	4.55 ± 0.57	Non-pancreatic disease (n = 81)	4.19 ± 0.81	0.36 (0.08-0.64)	2.50	0.014	0.48
	Pre-procedural planning and postoperative evaluation	Liver disease (n = 41)	4.32 ± 0.80	Non-liver disease (n = 71)	4.05 ± 0.80	0.27 (-0.04 to 0.58)	1.72	0.046	0.34
Professional title	Early gastrointestinal cancer invasion depth	Seniority (n = 38)	4.32 ± 0.68	Junior (n = 74)	4.05 ± 0.83	0.27 (0.03-0.51)	2.23	0.028	0.35
	Tumor ablation and evaluating treatment efficacy	Seniority (n = 38)	4.58 ± 0.55	Junior (n = 74)	4.30 ± 0.79	0.28 (0.02-0.54)	2.15	0.034	0.39

M1: Mean score for subgroup-1; M2: Mean score for subgroup-2.