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Table 2 Clinical outcomes between study cohorts

From: Impact of lactate dehydrogenase on prognosis of patients undergoing cardiac surgery

Outcomes

Low LDH (≤ 328)

High LDH (> 328)

P

MIMIC III

N = 1749

N = 576

In-hospital mortality, n (%)

27 (1.5%)

51 (8.9%)

< 0.001

1-year mortality, n (%)

131 (7.5%)

107 (18.6%)

< 0.001

Prolonged ventilation, n (%)

222 (12.7)

207 (35.9%)

< 0.001

CRRT, n (%)

86 (4.9%)

77 (13.4%)

< 0.001

ICU stay > 6 days, n (%)

307 (17.6%)

264 (45.8%)

< 0.001

Hospital stay > 15 days, n (%)

356 (20.4%)

242 (42.0%)

< 0.001

MIMIC IV

N = 1196

N = 191

P

In-hospital mortality, n (%)

20 (1.7%)

15 (7.8%)

< 0.001

1-year mortality, n (%)

36 (3.0%)

18 (9.4%)

< 0.001

Prolonged ventilation, n (%)

181 (15.1%)

85 (44.5%)

< 0.001

CRRT, n (%)

67 (5.6%)

35 (18.3%)

< 0.001

ICU stay > 6 days, n (%)

114 (9.5%)

52 (27.2%)

< 0.001

Hospital stay > 15 days, n (%)

160 (13.4%)

83 (43.5%)

< 0.001

  1. MIMIC Medical Information Mart for Intensive Care, LDH lactate dehydrogenase, ICU intensive care units, CRRT continuous renal replacement therapy