Table 3.

Prevalence of quality indicators during 1 year period (2010)

S. No	Parameters	(n = 42562) Frequency (%)
Pre-analytical phase
1.	Wrong identification	23 (0.05)
2.	Incomplete forms	3360 (7.89)
3.	Sample rejection	2056 (4.91)
	Haemolysed/clotted sample	316 (0.74)
	Inappropriate vial	10 (0.023)
	Insufficient quantity	1162 (2.75)
4.	No. of accidents reported
Analytical phase
5.	Random errors	18 (0.04)
6.	Systemic errors	08 (0.02)
7.	PT failure (non-conformity with QC)	14
8.	Number of repeat testing	9753 (22.91)
Post-analytical phase
9.	Urgent sample reporting	125 (0.29)
10.	Critical value reporting	46 (0.11)
11.	Turnaround time (TATs)	11 (0.025)