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Retrospective Cohort Study
©The Author(s) 2026.
World J Methodol. Mar 20, 2026; 16(1): 109733
Published online Mar 20, 2026. doi: 10.5662/wjm.v16.i1.109733
Table 3 Distribution of patients and mortality by ferritin and neutrophil-lymphocyte ratio quartiles, n (%)
Category
Total (n = 1954)
In-hospital mortality
30-day mortality
Median survival, days (95%CI)
Ferritin quartiles
Q1 (< 277 ng/mL)488 (25.0)87 (17.8)104 (21.3)87.8 (40.6-NR)
Q2 (277-651 ng/mL)490 (25.1)91 (18.6)100 (20.4)89.8 (58.9-NR)
Q3 (> 651 ng/mL)976 (49.9)290 (29.7)324 (33.2)44.4 (36.0-58.4)
NLR quartiles
Q1 (< 6.8)484 (24.8)78 (16.1)94 (19.4)92.3 (53.7-NR)
Q2 (6.8-12.4)504 (25.8)87 (17.3)98 (19.4)91.4 (50.3-NR)
Q3 (> 12.4)966 (49.4)303 (31.4)336 (34.8)41.7 (32.8-55.2)
Combined ferritin & NLR
Both in Q1225 (11.5)23 (10.2)29 (12.9)NR (78.6-NR)
Both in Q2247 (12.6)36 (14.6)42 (17.0)98.7 (62.4-NR)
Mixed quartiles755 (38.6)173 (22.9)192 (25.4)65.3 (48.9-85.6)
Both in Q3727 (37.2)236 (32.5)265 (36.5)37.2 (29.4-46.8)


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