Table 3.

Survival, failure and incidence rate HR by actuarial method grouping by 6 months.

Interval months	Risk	Hypo_Na	Survival	[95% CI]	Cum failure	Hazard	[95% CI]
0–6	683	60	0.9195	0.8959–0.9379	0.0805	0.0140	0.0102–0.0178
6–12	592	69	0.8169	0.7849–0.8446	0.1831	0.0197	0.0150–0.0244
12–18	525	8	0.8044	0.7717–0.8329	0.1956	0.0026	0.0008–0.0043
18–24	515	19	0.7747	0.7405–0.8050	0.2253	0.0063	0.0034–0.0091
24–30	496	7	0.7596	0.7241–0.7911	0.2404	0.0033	0.0009–0.0057
30–36	213	4	0.7316	0.6869–0.7710	0.2684	0.0063	0.0001–0.0124