Table 1

Clinical and haemodynamic characteristics of patients who developed CTEPH after splenectomy

Patient no	Indication for splenectomy	Age at splenectomy (years)	Interval between splenectomy and diagnosis of CTEPH (years)	History of VTE	Risk factors	Platelet count at time of diagnosis	mPAP (mm Hg)	CI(l/mn/m²)
AIHA, autoimmune haemolytic anaemia; CI, cardiac index; CTEPH, chronic thromboembolic pulmonary hypertension; mPAP, mean pulmonary arterial pressure; NA, not available; PS, protein S deficiency; VTE, acute venous thromboembolism.
1	Trauma	32	3	Yes	No	414	60	2.76
2	Hodgkin’s	24	21	No	No	310	30	1.87
3	Gastric cancer	41	6	Yes	No	162	27	2.63
4	Stomatocytosis	31	17	No	PS	418	51	2.37
5	Spherocytosis	2	35	No	No	179	48	1.80
6	Spherocytosis	20	30	No	NA	200	63	2.90
7	AIHA	54	14	No	No	360	30	3.07
8	Trauma	33	20	No	No	285	47	2.07
9	Trauma	32	24	Yes	NA	230	53	2.50
10	Trauma	48	9	No	No	258	54	1.85
11	Trauma	56	12	Yes	NA	289	32	2.77
12	Trauma	26	25	No	No	211	57	2.80
13	Trauma	52	11	Yes	No	208	47	1.90
14	Trauma	21	21	Yes	No	336	53	3.41
15	Trauma	39	2	No	No	295	33	4.20
16	Trauma	21	30	Yes	No	188	42	2.50
17	Trauma	46	19	Yes	No	448	61	3.83
18	Trauma	53	10	No	No	239	67	1.64
19	Trauma	40	10	Yes	No	197	40	2.54
20	Trauma	20	12	Yes	No	300	47	2.24
21	Trauma	21	9	Yes	No	355	49	1.60
22	Pancreatitis	31	13	Yes	No	234	60	2.00
Mean (SD)		34 (14)	16 (9)			278 (83)	48.5 (11.2)	2.51 (0.69)