Table 4.
Mild | Moderate | Severe | Total | |
---|---|---|---|---|
40-49 yeas (n = 515) | 180 (34.95) | 42 (8.16) | 63 (12.23) | 285 (55.34) |
50-59 years (n = 483) | 121 (25.05) | 63 (13.04) | 242 (50.10) | 426 (88.20) |
60-69 years (n = 474) | 112 (23.63) | 46 (9.70) | 277 (58.44) | 435 (91.77) |
Mean (n = 1472) | 413 (28.06) | 151 (10.26) | 582 (39.54) | 1146 (77.85) |