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Allele frequencies, OR and 95 % CIs of the eNOS polymorphism in ONFH patients (total, idiopathic and secondary) versus controls
| Patients | ||||
|---|---|---|---|---|
| Control (n = 200) | Total (n = 136) | Idiopathic (n = 90) | Secondary (n = 46) | |
| 4a | 18 (9 %) | 31 (22.79 %)a | 18 (20 %)b | 13 (28.26 %)c |
| 4b | 182 (91 %) | 105 (77.21 %) | 72 (80 %) | 33 (71.74 %) |
a p = 0.00039, OR = 2.98, 95 % CI 1.59–5.59
b p = 0.0074, OR = 2.52, 95 % CI 1.24–5.13
c p = 0.00047, OR = 3.98, 95 % CI 1.78–8.9
