Table 5. Comparison of discard rates in this study with those of other studies and reasons for discarding blood units.

Literature	Total discard (%)	Expiry (%)	TTI (%)	Bag breakage (%)
Kanani et al. [2]	7.0	43.4	11.3	13.7
Kumar et al. [4]	8.4	57.8	33.8	3.0
Patil et al. [5]	20.6	53	33.0	3.4
Anitha et al. [6]	4.6	21.9	63.6	10.8
Luhar et al. [7]	2.96	21.06	35.06	13.84
Kulkarni et al. [8]	68.33	14.5	54.75	27.0
Suresh et al. [9]	7.0	7.5	37.9	1.6
Bobde et al. [10]	8.2	51.4	19.5	34.5
Deb et al. [11]	14.6	82.8	17.2	-
Sharma et al. [12]	8.69	54.5	20	25.6
This study (2023, South India)	18	97	2.9	0.01