Table 3.

Calibrated SBRs for NOACNOSC by age group

Parameter	Age group (years)
	30–39	40–49	50–59	60–69	70–79	80–89
Both sexes
Number of subjects	45	43	39	71	48	10
Number of scans	90	86	78	142	95	19
Average of left and right SBRs	9.52	8.91	8.31	7.71	7.10	6.50
95% lower limit of prediction intervals	6.82	6.22	5.62	5.01	4.41	3.80
Interhemispheric asymmetry index	3.59	3.88	4.17	4.46	4.75	5.04
95% upper limit of prediction intervals	10.53	10.81	11.09	11.38	11.68	11.99
Men
Number of subjects	30	15	17	31	18	5
Number of scans	60	30	34	62	35	9
Average of left and right SBRs	9.01	8.53	8.05	7.57	7.09	6.61
95% lower limit of prediction intervals	6.36	5.89	5.41	4.93	4.44	3.95
Interhemispheric asymmetry index	3.40	3.93	4.46	4.98	5.51	6.04
95% upper limit of prediction intervals	10.58	11.09	11.61	12.14	12.69	13.25
Women
Number of subjects	15	28	22	40	30	5
Number of scans	30	56	44	80	60	10
Average of left and right SBRs	10.11	9.35	8.58	7.82	7.06	6.30
95% lower limit of prediction intervals	7.46	6.71	5.95	5.18	4.42	3.64
Interhemispheric asymmetry index	3.81	3.91	4.00	4.10	4.20	4.30
95% upper limit of prediction intervals	10.55	10.62	10.71	10.81	10.92	11.05