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Table 1 Demographic and clinical characteristics of the entire cohort and PNI stratification

From: Inflammatory and nutritional indices for overall survival in Hemodialysis patients: a multicenter cohort study

Characteristic- n (%) or median (IQR)

Overall n = 6679

PNI-low n = 2596

PNI-high n = 4083

P value

Population characteristic

Ā Ā Ā Ā 

Sex

Ā Ā Ā Ā 

Female

3840 (57.5)

1464 (56.4)

2376 (58.2)

0.12

Male

2839 (42.5)

1132 (43.6)

1707 (41.8)

Ā 

Age

62.3 (51.3, 72.9)

66.5 (56.2, 76.2)

59.5 (48.3, 70.2)

< 0.01

Diabetes

2677 (40.1)

1171 (45.1)

1506 (36.9)

< 0.01

Hypertension

4252 (63.7)

1645 (63.4)

2607 (63.9)

0.71

Clinical characteristic- median (IQR)

Ā Ā Ā Ā 

Hemoglobin (g/L)

97.0 (83.0, 111)

91.0 (79.0, 106)

100 (86.0, 114.0)

< 0.01

Platelets(109/L)

174 (138, 221)

168 (133, 219)

178 (141, 222)

< 0.01

Neutrophils (109/L)

4.24 (3.30, 5.41)

4.18 (3.21, 5.40)

4.26 (3.35, 5.42)

0.02

Lymphocytes (109/L)

1.18 (0.86, 1.57)

0.92 (0.63, 1.23)

1.36 (1.04, 1.74)

< 0.01

CRP (mg/L)

3.16 (1.00, 9.68)

3.44 (1.00, 12.8)

3.00 (1.10, 8.50)

0.01

Creatinine (umol/L)

784 (592, 970)

684 (512, 888)

848 (661, 1035)

< 0.01

Urea (mmol/L)

22.9 (17.4, 27.3)

21.7 (15.8, 26.5)

23.5 (18.5, 27.8)

< 0.01

Albumin (g/L)

37.9 (34.6, 41.4)

33.9 (31.3, 36.0)

39.9 (38.0, 43.0)

< 0.01

Calcium (mmol/L)

2.20 (2.10, 2.36)

2.15 (1.95, 2.32)

2.23 (2.12, 2.38)

< 0.01

Phosphorus (mmol/L)

1.68 (1.36, 2.15)

1.58 (1.27, 1.94)

1.75 (1.42, 2.22)

< 0.01

Parathormone (pg/ml)

183 (88.5, 328)

171 (84.2, 303)

192 (91.2, 346.7)

< 0.01

Fe (mmol/L)

10.1 (7.50, 13.9)

9.54 (6.98, 12.9)

10.50 (7.90, 14.4)

< 0.01

Ferritin (ng/ml)

229 (104, 450)

232 (108, 456)

228 (102, 447)

0.22

TIBC (umol/L)

41.3 (35.0, 49.1)

40.0 (33.2, 47.9)

42.2 (36.0, 49.9)

< 0.01

CAR

0.08 (0.03, 0.27)

0.10 (0.03, 0.41)

0.07 (0.03, 0.21)

< 0.01

LCR

3363 (1059, 10356)

2267 (545, 8116)

4262 (1552, 11500)

< 0.01

SII

618 (407, 1028)

785 (478, 1508)

558 (378, 840)

< 0.01

PLR

148 (107, 209)

186 (132, 285)

132 (98.8, 177)

< 0.01

NLR

3.54 (2.57, 5.25)

4.50 (3.16, 7.53)

3.13 (2.34, 4.24)

< 0.01

  1. Data are shown as median (interquartile range) or number (%); IQR, interquartile range; The PNI-low group had an PNI < 42.3 and the PNI-high group had an PNI ≄ 42.3