表 4. The prevalence of RA and CA by different age.
不同年龄RA和CA患病率
| Age/ yr. |
n | RA | CA | |||
| Case | Prevalence (95% CI) /% |
Case | Prevalence (95% CI) /% |
|||
| The abbreviations are explained in the note to Table 2. | ||||||
| 3 | 8743 | 1443 | 16.50 (15.73-17.28) | 5019 | 57.41 (56.37-58.44) | |
| 4 | 14546 | 2244 | 15.43 (14.84-16.01) | 8156 | 56.07 (55.26-56.88) | |
| 5 | 21608 | 3115 | 14.42 (13.95-14.88) | 12548 | 58.07 (57.41-58.73) | |
| 6 | 26409 | 3299 | 12.49 (12.09-12.89) | 15402 | 58.32 (57.73-58.92) | |
| 7 | 28604 | 3156 | 11.03 (10.67-11.40) | 16537 | 57.81 (57.24-58.39) | |
| 8 | 29322 | 3499 | 11.93 (11.56-12.30) | 17453 | 59.52 (58.96-60.08) | |
| 9 | 25323 | 3587 | 14.16 (13.74-14.59) | 15473 | 61.10 (60.50-61.70) | |
| 10 | 23618 | 4259 | 18.03 (17.54-18.52) | 15066 | 63.79 (63.18-64.40) | |
| 11 | 21368 | 4785 | 22.39 (21.83-22.95) | 14083 | 65.91 (65.27-66.54) | |
| 12 | 21983 | 5674 | 25.81 (25.23-26.39) | 14950 | 68.01 (67.39-68.62) | |
| 13 | 18004 | 5648 | 31.37 (30.69-32.05) | 12864 | 71.45 (70.79-72.11) | |
| 14 | 16431 | 5769 | 35.11 (34.38-35.84) | 11894 | 72.39 (71.70-73.07) | |
| Total | 255959 | 46478 | 18.16 (18.01-18.31) | 159445 | 62.29 (62.11-62.48) | |