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Table 3 Clinical outcomes between normal and abnormal strain, stratified by preload status

From: Associations among left ventricular systolic function, tachycardia, and cardiac preload in septic patients

Parameter Abnormal strain (n = 214) Normal strain (n = 178) p value
Overall
 Hospital mortality 47 (22%) 31 (17%) 0.31
 28-Day mortality 54 (25%) 36 (20%) 0.28
 OFFD to day 14—cardiovascular 13 (9–13) 12 (8–13) 0.37
 OFFD to day 14—coagulation 14 (13–14) 14 (13–14) 0.33
 OFFD to day 14—hepatic 14 (13–14) 14 (12–14) 0.71
 OFFD to day 14—renal 13 (10–14) 14 (13–14) 0.01
Low preload (E/e′ < 8) N = 33 N = 20  
Hospital mortality 8 (24%) 5 (25%) 1.00
28-Day mortality 8 (24%) 4 (20%) 1.00
OFFD to day 14—cardiovascular 12 (9–13) 10 (7–13) 0.53
OFFD to day 14—coagulation 14 (13–14) 14 (11–14) 0.39
OFFD to day 14—hepatic 14 (13–14) 14 (3–14) 0.22
OFFD to day 14—renal 13 (9–14) 13 (11–14) 0.96
Intermediate preload (E/e′ 8–14) N = 66 N = 69  
Hospital mortality 14 (21%) 12 (17%) 0.66
28-Day mortality 15 (23%) 15 (22%) 1.00
OFFD to day 14—cardiovascular 12 (9–13) 13 (8–13) 0.86
OFFD to day 14—coagulation 14 (11–14) 14 (13–14) 0.54
OFFD to day 14—hepatic 14 (11–14) 14 (12–14) 0.70
OFFD to day 14—renal 13 (9–14) 14 (13–14) 0.05
High preload (E/e′ > 14) N = 63 N = 47  
Hospital mortality 13 (21%) 6 (13%) 0.32
28-Day mortality 18 (29%) 9 (19%) 0.27
OFFD to day 14—cardiovascular 13 (8–13) 13 (10–13) 0.97
OFFD to day 14—coagulation 14 (13–14) 14 (14–14) 0.14
OFFD to day 14—hepatic 14 (13–14) 14 (14–14) 0.13
OFFD to day 14—renal 13 (11–14) 14 (13–14) 0.22
  1. Abnormal strain is defined as >−17% [46]
  2. OFFD organ-failure-free days