Table 3.
Race | n | Mean ± SD | Reference Interval (90% Confidence Interval) |
|
---|---|---|---|---|
Lower | Upper | |||
All | 164 | 5.25 ± 1.25 | 2.79 (2.52–3.07) | 7.70 (7.43–7.98) |
Blacks | 82 | 5.25 ± 1.24 | 2.81 (2.43–3.20) | 7.69 (7.30–8.07) |
Whites | 82 | 5.247 ± 1.27 | 2.76 (2.36–3.16) | 7.74 (7.34–8.13) |