Frailty efficacy as a predictor of clinical and cognitive complications in patients undergoing coronary artery bypass grafting: a prospective cohort study

Table 2 Preoperative and postoperative cognitive and functional scores

Characteristic	Overall, N = 170^†*	Non-Frail, N = 112^†*	Frail, N = 58^†*	p-value**
Preoperative
MOCA	21.0 (19.0, 25.0)	22.5 (19.0, 26.0)	21.0 (19.0, 24.0)	0.045
Lawton	8.0 (6.0, 8.0)	8.0 (7.8, 8.0)	6.0 (6.0, 7.0)	< 0.001
GDS15	2.0 (0.0, 3.0)	1.0 (0.0, 3.0)	2.0 (0.0, 4.0)	0.009
Postoperative
MOCA	23.0 (18.5, 26.0)	23.0 (19.3, 26.0)	22.0 (18.0, 25.0)	0.366
Lawton	7.0 (6.0, 8.0)	8.0 (6.0, 8.0)	6.0 (6.0, 7.0)	< 0.001
GDS15	0.50 (0.0, 2.0)	0.50 (0.0, 2.0)	0.50 (0.0, 2.3)	0.607

^†Median (IQR)
^* 87/170 patients (29/58 of frails and 57/112 of non-frails) were available for follow-up
** Wilcoxon rank sum test

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