Table 2

Laboratory testing results of participants and association with saphenous vein graft disease (SVGD)

VariableParticipants with SVGD
(n=124)
Participants without SVGD
(n=107)
P values
White blood cell count (109/L)6.9±2.06.6±1.50.29
Red blood cell count (1012/L)4.6±0.65.8±11.90.31
Haemoglobin (g/L)137.7±19.2138.3±19.80.80
Platelet count (109/L)204.7±58.8201.4±43.10.63
Red cell distribution width (%)12.5±1.013.8±1.10.24
Mean platelet volume12.9±12.410.2±10.30.35
Plateletcrit0.4±1.50.2±0.10.15
Platelet distribution width15.2±2.815.2±2.70.82
Neutrophil-to-lymphocyte ratio3.3±2.13.0±1.20.20
Platelet-to-lymphocyte ratio140.4±61.9135.1±47.30.46
Total cholesterol (mmol/L)4.5±1.24.3±1.20.10
Triglycerides (mmol/L)1.9±1.11.6±0.80.04
HDL-C (mmol/L)1.0±0.41.0±0.30.63
LDL-C (mmol/L)2.9±1.12.8±1.00.41
VLDL (mmol/L)0.6±0.30.5±0.2<0.01
Lipoprotein (a) (mmol/L)83.9±103.059.6±74.10.04
Apolipoprotein A (mmol/L)1.1±0.21.1±0.20.86
Apolipoprotein B (mmol/L)1.0±0.31.0±0.30.14
Fasting glucose (mmol/L)7.0±5.46.4±2.80.30
Homocysteinaemia (μmol/L)16.2±8.415.4±6.70.41
UA (μmol/L)338.6±91.8344.4±97.50.65
PCSK9 (ng/mL)275.2±38.6249.3±37.7<0.01
Quartile 1, ≤235.51 ng/mL20 (16.1)38 (35.5)<0.01
Quartile 2, >235.51 to ≤254.89 ng/mL23 (18.5)35 (32.7)
Quartile 3, >254.89 to ≤290.13 ng/mL41 (33.1)16 (15.0)
Quartile 4, >290.13 ng/mL40 (32.3)18 (16.8)
  • HDL-C, high-density lipoprotein cholesterol; LDL-C, low-density lipoprotein cholesterol; PCSK9, proprotein convertase subtilisin/kexin type 9; SVGD indicated saphenous vein graft disease; VLDL, very low-density lipoprotein.