Table 2.

Differences between the RETAKO peripartum TTS and the literature peripartum TTS populations. The comparison included 6 patients from the RETAKO database and 32 from the literature review.

		RETAKO Peripartum Takotsubo Syndrome (n = 6)	The Literature Peripartum Takotsubo Syndrome (n = 32)	p Value
Age (years)		38.3 ± 2.3	34.2 ± 5.0	0.056
Hypertension		1 (16.7%)	4 (15.4%)	0.938
Dislipidaemia		1 (16.7%)	1 (3.8%)	0.242
Diabetes Mellitus		0 (0%)	0 (0%)	n/a
Smoker/Ex-smoker		1 (16.7%)	1 (3.8%)	0.098
Obesity		0 (0%)	4 (15.4%)	0.304
TTS Trigger	Secondary form	5 (83.3%)	21 (80.8%)	0.885
Symptoms	Angina	1 (16.7%)	8 (30.8%)	0.489
	Dyspnea	5 (100%)	19 (73.1%)	0.197
	Palpitations	2 (33.3%)	1 (3.8%)	0.026
	Syncope	0 (0%)	0 (0%)
In-hospital complications	Stroke	1 (16.7%)	1 (3.8%)	0.242
	Bleeding	0 (0%)	1 (3.8%)	0.625
	Renal failure	1 (16.7%)	0 (0%)	0.034
	Embolic events	0 (0%)	0 (0%)
Maximum Killip status	I	2 (33.3%)	11 (42.3%)	0.016
	II	1 (16.7%)	0 (0%)
	III	2 (33.3%)	1 (3.8%)
	IV	1 (16.7%)	14 (53.8%)
LVEF		38.8 ± 13.6	35 ± 11.2	0.475
TTS pattern	Typical	2 (33.3%)	10 (38.5%)	0.815
ECG abnormalities	ST-segment elevation	0 (0%)	7 (26.9%)	0.15
	ST-segment depression	1 (16.7%)	2 (7.7%)	0.497
	Initial T-wave inversion	3 (50%)	8 (30.8%)	0.371
Follow-up complications		0 (0%)	0 (0%)
Deaths		0 (0%)	0 (0%)
Follow-up		1353.8 (296.2–2062.7)	131.8 (27.7–180.0)	0.003

Follow-up time is expressed as days (median) and interquartile range (IQR).