Haptoglobin Genotype and Outcome after Subarachnoid Haemorrhage: New Insights from a Meta-Analysis

Table 3

Short- and long-term outcome after aSAH.

Comparison groups		N; Total (group A + B)	Odds ratio for poor outcome; Group A/B	Z		Heterogeneity
Group A	Group B					Chi^2	df	I^2
Short-term outcome
Hp2-2	Hp1-1	192 (132 + 60)	2.37 (1.12, 5.04)	2.26	0.02	3.93	3	24%
Hp1-1	Hp2-1	228 (168 + 60)	1.53 (0.74, 3.14)	1.16	0.25	5.92	4	32%
Hp2-2	Hp2-1	300 (132 + 168)	1.73 (1.02, 2.93)	2.03	0.04	1.04	4	0%
Hp2-2	Hp1-1 + Hp2-1	360 (132 + 228)	2.07 (1.26, 3.41)	2.87	0.004	1.77	4	0%
Hp2-1 + Hp2-2	Hp1-1	360 (300 + 60)	1.50 (0.80, 2.82)	1.26	0.21	5.78	4	31%
Long-term outcome
Hp2-2	Hp1-1	216 (155 + 61)	0.62 (0.32, 1.23)	1.37	0.17	4.96	2	60%
Hp1-1	Hp2-1	266 (205 + 61)	0.78 (0.40, 1.53)	0.72	0.47	3.58	2	44%
Hp2-2	Hp2-1	360 (155 + 205)	0.75 (0.48, 1.17)	1.27	0.20	0.55	2	0%
Hp2-2	Hp1-1 + Hp2-1	421 (155 + 266)	0.73 (0.48, 1.12)	1.44	0.15	1.55	2	0%
Hp2-1 + Hp2-2	Hp1-1	421 (360 + 61)	0.71 (0.38, 1.34)	1.06	0.29	4.26	2	53%

Note: denotes ; Z: test for overall effect.