Associations of perioperative depression with sleep quality and physical activity levels in patients undergoing elective cardiac surgery: A prospective observational study
Fig 2
PHQ-9, AIS and IPAQ-SF scores in patients undergoing cardiac surgery at longitudinal time points; Pre-O, preoperative; Post-7, postoperative day 7; Post-30, postoperative day 30; ****p < 0.0001; **p < 0.01; ns: not significant; Error bars represent standard deviation.