Table 5. Association between platelet... | American Society of Hematology

Table 5.

Association between platelet transfusion on the day of grade 2A bleeding and grade ≥2A bleeding the following day, within morning platelet count subgroups, taking into account within-person correlation

Morning platelet count	Days with grade 2A bleeding	Days with platelet transfusion on the day of grade 2A bleeding		Next day bleeding grade ≥2A after days with platelet transfusion		Days without platelet transfusion on the day of grade 2A bleeding		Next day bleeding grade ≥2A after days without platelet transfusion		OR*	95% CI	P
Morning platelet count	Days with grade 2A bleeding	No.	%	No.	%	No.	%	No.	%	OR*	95% CI	P
All platelet counts, ×10⁹/L	2181†	1327	61	790	60	854	39	445	52	1.28	1.06-1.54	.01
1-10	420	402	96	228	57	18	4	8	44	2.10	0.74-5.91	.16
11-20	666	410	62	224	55	256	38	123	48	1.20	0.86-1.69	.28
21-30	379	201	53	126	63	178	47	93	52	1.45	0.93-2.25	.10
31-40	245	113	46	77	68	132	54	72	55	1.61	0.90-2.89	.11
41-50	171	92	54	63	68	79	46	45	57	0.98	0.47-2.06	.96
51-60	125	59	47	43	73	66	53	38	58	1.62	0.78-3.39	.20
61-70	63	21	33	15	71	42	67	25	60	2.10	0.80-5.47	.13
71-80	38	13	34	5	38	25	66	13	52	0.53	0.12-2.27	.39
81+	67	12	18	6	50	55	82	26	47	1.33	0.42-4.16	.63

Morning platelet count	Days with grade 2A bleeding	Days with platelet transfusion on the day of grade 2A bleeding		Next day bleeding grade ≥2A after days with platelet transfusion		Days without platelet transfusion on the day of grade 2A bleeding		Next day bleeding grade ≥2A after days without platelet transfusion		OR*	95% CI	P
Morning platelet count	Days with grade 2A bleeding	No.	%	No.	%	No.	%	No.	%	OR*	95% CI	P
All platelet counts, ×10⁹/L	2181†	1327	61	790	60	854	39	445	52	1.28	1.06-1.54	.01
1-10	420	402	96	228	57	18	4	8	44	2.10	0.74-5.91	.16
11-20	666	410	62	224	55	256	38	123	48	1.20	0.86-1.69	.28
21-30	379	201	53	126	63	178	47	93	52	1.45	0.93-2.25	.10
31-40	245	113	46	77	68	132	54	72	55	1.61	0.90-2.89	.11
41-50	171	92	54	63	68	79	46	45	57	0.98	0.47-2.06	.96
51-60	125	59	47	43	73	66	53	38	58	1.62	0.78-3.39	.20
61-70	63	21	33	15	71	42	67	25	60	2.10	0.80-5.47	.13
71-80	38	13	34	5	38	25	66	13	52	0.53	0.12-2.27	.39
81+	67	12	18	6	50	55	82	26	47	1.33	0.42-4.16	.63

The interaction between the 9 morning platelet count categories and platelet transfusion was not significant (P = .34).

Comparing platelet transfusion to no platelet transfusion.

†

Seven days had missing data for morning platelet count and are not included in the rows below.

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