Table 1

- Evans index among different age groups stratified by gender. SD = standard deviation.

Age group	Gender	Mean Evans Index	N	SD
0–10	Female	0.2355	14	0.0277
	Male	0.2408	25	0.0226
	Total	0.2389	39	0.0243
11–20	Female	0.2506	23	0.0234
	Male	0.2562	8	0.0180
	Total	0.2520	31	0.0220
21–30	Female	0.2512	25	0.0186
	Male	0.2480	20	0.0204
	Total	0.2498	45	0.0192
31–40	Female	0.2399	17	0.0352
	Male	0.2460	17	0.0167
	Total	0.2430	34	0.0273
41–50	Female	0.2398	29	0.0202
	Male	0.2571	29	0.0206
	Total	0.2485	58	0.0220
51–60	Female	0.2496	36	0.0221
	Male	0.2612	32	0.0276
	Total	0.2550	68	0.0253
61–70	Female	0.2605	30	0.0236
	Male	0.2766	25	0.0313
	Total	0.2679	55	0.0283
71–80	Female	0.2728	22	0.0332
	Male	0.2721	12	0.0235
	Total	0.2726	34	0.0297
81–90	Female	0.2662	10	0.0417
	Male	0.2888	6	0.0355
	Total	0.2747	16	0.0390
91–100	Female	0.2553	2	0.0115
	Male	0.3051	2	0.0166
	Total	0.2802	4	0.0310
Total	Female	0.2517	208	0.0276
	Male	0.2588	176	0.0274
	Total	0.2550	384	0.0277