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Table 2: The number of debris particles in the first aspirated blood sample compared with each of the other aspirated blood samples
Order of Aspiration
1st (n = 13) 2nd (n = 13) 3rd (n = 13) 4th (n = 13) 5th (n = 13) 6th (n = 2) Total (n = 13)
No. of debris particles ≥1 mm (mean) 0.5 ± 0.8 6.2 ± 4.2^a 5.2 ± 3.8^a 4.5 ± 3.5^a 1.5 ± 2.2 4 ± 1.4 19.1 ± 12.0
No. of debris particles <1 but ≥0.5 mm (mean) 1.4 ± 1.1 9.3 ± 5.5^a 7.9 ± 3.5^a 7.2 ± 4.0^a 4.4 ± 4.1^a 7.5 ± 2.1 31.5 ± 15.5
No. of debris particles <0.5 but ≥0.1 mm (mean) 38.2 ± 12.9 43.8 ± 18.3 41.4 ± 12.3 37.9 ± 20.1 29.7 ± 12.6 33.5 ± 5.0 197.5 ± 50.5

a Statistically significant difference in comparison with the first blood sample (P< .05).

	Order of Aspiration
	1st (n = 13)	2nd (n = 13)	3rd (n = 13)	4th (n = 13)	5th (n = 13)	6th (n = 2)	Total (n = 13)
No. of debris particles ≥1 mm (mean)	0.5 ± 0.8	6.2 ± 4.2^a	5.2 ± 3.8^a	4.5 ± 3.5^a	1.5 ± 2.2	4 ± 1.4	19.1 ± 12.0
No. of debris particles <1 but ≥0.5 mm (mean)	1.4 ± 1.1	9.3 ± 5.5^a	7.9 ± 3.5^a	7.2 ± 4.0^a	4.4 ± 4.1^a	7.5 ± 2.1	31.5 ± 15.5
No. of debris particles <0.5 but ≥0.1 mm (mean)	38.2 ± 12.9	43.8 ± 18.3	41.4 ± 12.3	37.9 ± 20.1	29.7 ± 12.6	33.5 ± 5.0	197.5 ± 50.5