Establishment of Normal Range for Thromboelastography in Healthy Middle-Aged and Elderly People of Weihai in China

Table 2

Internal quality control analysis of Level 1 for 30 consecutive days.

	R (min)	K (min)	Angle (deg)	MA (mm)
Channel 1	1.53 ± 0.08 (5.2%)	0.80 ± 0.06 (7.5%)	83.13 ± 0.75 (0.9%)	52.83 ± 5.06 (9.5%)
Channel 2	1.55 ± 0.14 (9.0%)	0.83 ± 0.05 (6.0%)	81.9 ± 0.71 (0.8%)	54.18 ± 5.32 (9.8%)
Channel 3	1.58 ± 0.12 (7.5%)	0.81 ± 0.05 (6.1%)	82.24 ± 1.30 (1.5%)	50.16 ± 5.01 (9.9%)
Channel 4	1.60 ± 0.09 (5.6%)	0.80 ± 0.06 (7.5%)	82.02 ± 2.65 (3.2%)	51.38 ± 5.10 (9.9%)
Channel 5	1.57 ± 0.05 (3.1%)	0.80 ± 0.03 (3.7%)	82.83 ± 2.09 (3.2%)	52.08 ± 5.04 (9.6%)
Channel 6	1.59 ± 0.06 (3.7%)	0.80 ± 0.04 (5.0%)	82.18 ± 1.48 (1.8%)	52.88 ± 5.20 (9.8%)
Reference range	0–4	0–2	76–88	42–62

The number in brackets is the coefficient of variation.