Table 1.

Demographical and physical characteristics of all apnoea divers

Participants	Age [years]	Sex	Height [cm]	Weight [kg]	Time of 1st BH [s] cardiac session	Baseline SpO2 [%] cardiac session	Minimal SpO2 [%] cardiac session	Time of 2nd BH [s] flow session	Baseline SpO2 [%] flow session	Minimal SpO2 [%] flow session
1	58	male	175	80	200	99	89	194	99	87
2	23	male	185	73	255	100	92	274	99	86
3	36	male	183	79	233	99	76	272	99	39
4	51	male	193	86	318	99	68	298	98	52
5	35	male	186	70	293	99	73	262	98	79
6	53	female	166	76	268	99	52	162	99	89
7	46	male	180	73	348	98	82	302	99	87
8	38	female	176	67	310	98	66	299	99	72
9	30	male	178	75	413	99	55	377	99	56
10	24	male	200	110	278	99	89	267	99	89
11	35	male	176	70	328	99	89	237	98	91
12	29	male	186	86	366	99	71	483	97	76
13	46	male	183	91	295	99	81	264	99	87
14	31	male	185	85	263	98	79	249	100	86
15	50	male	189	86	278	97	75	254	99	82
16	56	male	190	89	362	99	44	377	99	58
17	36	male	185	98	249	100	85	132	99	91
Ø	40		183	82	297	99	74	277	99	77
SD	11		8	11	53	1	14	80	1	15

BH breath-hold, SpO₂ peripheral oxygen saturation