Has “respiratory coaching” before deep inspiration an impact on the incidence of transient contrast interruption during pulmonary CT angiography? QUERY: The grammar of the title isn't exactly incorrect but it is not standard English. I would suggest rephrasing as

Insights into Imaging

Table 2 Patient characteristics

Parameter	Group A	Group B	Group C	P value
Male-to-female ratio	46:46	53:41	20:25	0.41
Age (years)	60 ± 18.9 (19–91)	65.7 ± 16.7 (18–92)	75.3 ± 11.8 (30–93)	<0.001
Weight (kg)	74.9 ±18	75.4 ± 15	72.1 ± 15.1	0.52
Height (cm)	165.4 ± 9.5	165.3 ± 8.6	163.1 ± 6.9	0.32
BMI (kg/m²)	27.4 ± 5.9	27.6 ± 5.3	26.9 ± 5	0.79

Data are presented as numbers or means ± standard deviations Values in parentheses are ranges