Table 2.

Table showing age, gender and ASA distributions between the groups (TTE: transthoracic echocardiography, ASA: American Society of Anesthesiologists score).

	Control Group	TTE Group	Total	p value
n	116	65	181	n/a
Age (median)	81 (44–94)	83 (48–98)	81 (44–98)	0.012
Gender				0.039
Male	52	19	71
Female	64	46	110
ASA Score				0.002
ASA I	54 (46.6%)	15 (23.1%)	69 (38%)
ASA II	56 (48.3%)	40 (61.5%)	96 (53%)
ASA III	6 (5.2%)	10 (15.4%)	16 (8%)
ASA IV/V	0	0	0