Table 1.

Patient characteristics

	ALG			USG			p-value
	n	Mean	Std Dev	N	Mean	Std Dev
Age (years)	55	62.07	12.89	53	61.68	11.39	0.87
Height (cm)	55	163.83	8.3	53	165.12	7.01	0.38
Weight (kg)	55	73.08	11.47	53	76.33	13.1	0.17
BMI (kg/m2)	55	27.24	3.92	53	28	4.44	0.35

Abbreviations: ALG, anatomic landmark guided; BMI, body mass index; Std Dev, standard deviation; USG, ultrasound guided.