Analgesic effects of different concentrations of ropivacaine in transversalis fascia plane block during laparotomy

Table 1 Comparison of demographic data of the three groups

	Low concentration group(n = 30)	Medium concentration group(n = 30)	High concentration group(n = 30)	χ² or t	P
Age (year)				0.282	0.780
Age (year)	40.37 ± 2.32	40.11 ± 2.45	40.23 ± 2.38
Height (cm)				0.142	0.887
Height (cm)	1.67 ± 0.38	1.65 ± 0.35	1.66 ± 0.36
BMI (kg/m²)				0.141	0.887
BMI (kg/m²)	27.31 ± 2.33	27.22 ± 2.45	27.35 ± 2.27
Type of disease
Gastric cancer	18	19	17	0.139	0.727
Colon cancer	8	9	9	0.055	0.849
Abdominal masses	4	2	4	0.494	0.593
Place of residence				0.317	0.853
Urban	20 (66.67)	21 (70.00)	22 (73.33)
Rural	10 (33.33)	9 (30.00)	8 (26.67)

ISSN: 1471-2253