Management of Spontaneous Subarachnoid Hemorrhage Patients with Negative Initial Digital Subtraction Angiogram Findings: Conservative or Aggressive?

Table 4

The prognosis of patient after charged from hospital.

	All NASAH ()	PMN-SAH ()	nPMN-SAH ()	value
mRS at 3 months
0-1	96 (82.8%)	66 (94.3%)	30 (65.2%)	<0.001
2-3	17 (14.7%)	4 (5.7%)	13 (28.2%)
4–6	3 (2.5%)	0	3 (6.6%)
GOS at 3 months
5	110 (94.8%)	70 (100%)	40 (87.0%)	0.003
4	3 (3.1%)	0	3 (6.5%)
1–3	3 (3.1%)	0	3 (6.5%)
mRS at 1 year
0-1	78 (86.7%)	46 (95.8%)	32 (76.2%)	0.006
2-3	10 (11.1%)	2 (4.2%)	8 (19.0%)
4–6	2 (2.2%)	0	2 (4.8%)
GOS at 1 year
5	87 (96.7%)	48 (100%)	39 (92.8%)	0.09
4	1 (1.1%)	0	1 (2.4%)
1–3	2 (2.2%)	0	2 (4.8%)

NASAH: nonaneurysmal subarachnoid hemorrhage; PMN-SAH: perimesencephalic nonaneurysmal subarachnoid hemorrhage; nPMN-SAH: nonperimesencephalic nonaneurysmal subarachnoid hemorrhage; GOS: Glasgow outcome scale, mRS: modified Rankin Scale.
21 patients (12 perimesencephalic and 9 nonperimesencephalic patients) were lost to follow-up after discharge.