Table 1.

Mean and standard deviation of net six letter cancellation task scores stratified by age and sex

	Female		Male
AGE (years)	n	Mean ± SD	n	Mean ± SD
9	10	16.2±6.36	17	13.06±5.03
10	71	20.73±7.1	88	16.9±6.31
11	41	23.41±6.7	84	20.62±6.21
12	49	24.35±7.96	118	22.43±8.09
13	66	31.23±9.33	74	23.7±7.63
14	31	30.81±7.53	69	26.25±8.38
15	37	34.54±9.13	43	29.93±9.87
16	9	34.67±6.18	12	29.75±12.52
Total	314	26.73±9.54	505	22.37±8.71