Table 2 Characteristics of study participants classified by quartiles of PLR.

Age, years

70.77 (7.81)

70.72 (7.61)

71.23 (8.14)

72.12 (7.94)

<0.001

C-reactive protein (mg/dL), mean (SD)

0.49 (0.6)

0.47 (0.78)

0.53 (0.77)

0.76 (1.55)

<0.001

Plasma fibrinogen (mg/dL), mean (IQR)

570.21 (96)

548.01 (92)

612.88 (102)

572.75 (123)

0.839

Serum uric acid(mg/dL), mean (SD)

5.88 (1.51)

5.74 (1.47)

5.62 (1.44)

5.52 (1.61)

0.027

Serum bilirubin (mg/dL), mean (SD)

0.61 (0.32)

0.6 (0.29)

0.58 (0.27)

0.56 (0.26)

0.098

Serum creatinine (mg/dL), mean (SD)

1.2 (0.36)

1.19 (0.48)

1.2 (0.51)

1.19 (0.56)

0.983

Serum albumin (mg/dL), mean (SD)

4.05 (0.33)

4.08 (0.32)

4.06 (0.35)

4.01 (0.36)

<0.001

serum vitamin D (nmol/L), mean (SD)

56.8 (19.35)

56.45 (19.26)

56.28 (19.89)

56.4 (20.92)

0.946

Male

9.6 (2.21)

9.06 (2.62)

9.22 (2.24)

8.98 (2.33)

<0.001

Female

6.95 (1.96)

6.97 (1.77)

6.5 (2)

6.41 (1.94)

<0.001

Gait speed (m/s), mean (SD)

0.72 (0.2)

0.73 (0.2)

0.72 (0.21)

0.7 (0.2)

0.03

Male, n (%)

506 (54.6)

416 (49.9)

471 (50.1)

396 (42.8)

<0.001

Non-Hispanic white, n (%)

799 (76.7)

692 (77.9)

829 (79.4)

844 (82.4)

0.003

Coronary heart disease, n (%)

98 (10.6)

93 (11.2)

86 (9.1)

87 (9.4)

0.075

Stroke, n (%)

56 (6)

55 (6.6)

55 (5.8)

55 (5.9)

0.807

Metabolic syndrome, n (%)

540 (58.3)

477 (57.2)

525 (55.8)

505 (54.6)

0.398

Alcohol drinking, n (%)

240 (57.4)

215 (56.6)

223 (51.1)

227 (55.1)

0.538

Smoking, n (%)

190 (35.8)

130 (29.8)

140 (28.3)

105 (22.2)

<0.001

Sarcopenia class I, n (%)

411 (44.7)

359 (43.4)

435 (46.9)

418 (45.5)

0.586

Sarcopenia class II, n (%)

124 (13.5)

131 (15.8)

155 (16.7)

209 (22.8)

<0.001