Table 1.

Clinical and laboratory features.

Variable	Group A (n = 36)	Group B (n = 110)	Group C (n = 16)	P A vs. B	P B vs. C
Age in years (mean, SD)	34 ± 13	48 ± 11	33 ± 6	<0.001	<0.001
Caucasian	83%	74%	56%	0.110	0.021
Hispanic	0%	14%	38%	0.022	0.028
Trigger/associated condition
Vasoconstrictive drugs	53%	67%	25%	0.162	0.002
Serotonergic antidepressants	11%	45%	19%	<0.001	0.050
Illicit drugs	31%	20%	0%	0.189	0.049
Orgasmic/sexual	22%	4%	0%	0.002	0.438
Prior depression	14%	53%	25%	<0.001	0.038
Prior migraine	19%	49%	31%	0.002	0.181
History of hypertension	33%	36%	50%	0.742	0.294
Clinical
Thunderclap headache at onset	94%	88%	75%	0.232	0.190
Admission blood pressure > 140/90	36%	48%	75%	0.207	0.045
Systolic	148 ± 35	150 ± 35	161 ± 35	0.757	0.262
Diastolic	83 ± 16	82 ± 16	94 ± 16	0.672	0.005
Focal neurological sign(s)	25%	43%	50%	0.058	0.584
Seizures	11%	13%	31%	0.798	0.053
Treatment and course
Immunosuppressive therapy	17%	34%	6%	0.060	0.026
Calcium channel blocker therapy	50%	58%	20%	0.390	0.537
Clinical worsening	3%	18%	13%	0.022	0.576
Length of stay (first admission, days)	6 ± 7	10 ± 9	10 ± 5	0.012	0.913
Discharge mRS score (mean)	0.6 ± 1.4	0.8 ± 1.5	0.6 ± 1.5	0.614	0.633
mRS score 0–3	91%	90%	94%	0.768	0.633
mRS score 6 (death)	3%	2%	6%	0.725	0.277

Note: Group A, men; Group B, non-pregnant women; Group C, postpartum angiopathy. Bold indicates statistically significant P values.

mRS: modified Rankin scale.