Association between neutrophil-platelet ratio and 28-day mortality in patients with sepsis: a retrospective analysis based on MIMIC-IV database

Table 4 Cox regression model (90-day mortality)

NPR	Model I		Model II		Model III
NPR	HR (95% CI)	P value	HR (95% CI)	P value	HR (95% CI)	P value
Q1 (n = 834)	Reference		Reference		Reference
Q2 (n = 835)	0.97 (0.78–1.21)	0.790	1.00 (0.80–1.25)	0.999	0.97 (0.77–1.20)	0.753
Q3 (n = 836)	0.97 (0.78–1.20)	0.751	1.02 (0.82–1.26)	0.892	1.00 (0.80–1.25)	0.985
Q4 (n = 834)	1.25 (1.02–1.54)	0.035	1.26 (1.02–1.56)	0.030	1.23 (0.99–1.51)	0.058

Model I: Crude; Model II: adjusted by age, sex, BMI, heart rate, respiration, body temperature, SBP, DBP, and SpO2. Model III: adjusted by age, sex, BMI, heart rate, respiration, body temperature, SBP, DBP, SpO2 and complications. Quartile 1 (0.0014 ≤ NPR < 0.0854), Quartile 2 (0.0854 ≤ NPR < 3.3322), Quartile 3 (3.3322 ≤ NPR < 5.8321), Quartile 4 (5.8321 ≤ NPR ≤ 49.8836). NPR: neutrophil-platelet ratio, HR: hazard ratio, CI: confidence interval

ISSN: 1471-2334