Table 2 Timing to treatment divided by HH grades and treatment.

From: Duration between aneurysm rupture and treatment and its association with outcome in aneurysmal subarachnoid haemorrhage

 

Coiling

Clipping

Time haemorrhage to treatment (hours)

HH ½

19.5

25.0

HH 3

14.5

15.7

HH 4

11.8

11.5

HH 5

7.8

7.7

Time admission to treatment (hours)

HH ½

6.3

12

HH 3

6.8

10

HH 4

6

7.3

HH 5

3.5

4.3

  1. HH Hunt and Hess.