Table 2.

Patients' reason for admission stratified between admissions.

Reason for admission	1st admission N (%)	2nd admission N (%)	3rd admission N (%)	P value
Gender—female	77 (61.1%)	44 (55.0%)	39 (70.9%)	0.178*
Age (years), mean ± SD, median (range)	67.8 ± 16.7, 69.5 (18–97)	69.5 ± 16.8, 71.9 (18–97)	70.3 ± 14.2, 70.8 (41–93)	0.480‡
Infection	35 (28%)	24 (30%)	19 (35%)	0.655*
Cardiovascular	11 (9%)	3 (4%)	2 (4%)	0.309†
Heart failure	8 (6%)	10 (13%)	5 (9%)	0.306†
Obstructive lung disease	3 (2%)	6 (8%)	4 (7%)	0.150†
Chest pain	22 (17%)	9 (11%)	10 (18%)	0.426*
Other	37 (29%)	25 (31%)	12 (22%)	0.469*
Renal failure and electrolyte abnormality	4 (3%)	3 (4%)	2 (4%)	1.000†
Arrhythmia	6 (5%)	0 (0%)	1 (2%)	0.111†
Overall	126	80	55

*2-sided Pearson Chi Square.

^‡2-sided Independent Sample t-Test.

^†2-sided Fisher-Freeman-Halton Exact Test.