Table 1.
Characteristic | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 |
---|---|---|---|---|---|---|---|---|---|---|
Total (N) | 3548 | 4313 | 5080 | 6225 | 6873 | 7262 | 8449 | 8825 | 8929 | 9092 |
Age (yr) | ||||||||||
Mean ± SD | 70.3 ± 8.5 | 70.1 ± 8.5 | 70.0 ± 8.3 | 69.9 ± 8.3 | 69.9 ± 8.2 | 69.9 ± 8.3 | 70.0 ± 8.2 | 70.3 ± 8.3 | 70.1 ± 8.2 | 70.5 ± 8.3 |
< 50 | 39 (1.1) | 56 (1.3) | 56 (1.1) | 65 (1.0) | 73 (1.1) | 83 (1.1) | 82 (1.0) | 67 (0.8) | 73 (0.8) | 75 (0.8) |
50–64 | 809 (22.8) | 992 (23.0) | 1153 (22.7) | 1446 (23.2) | 1497 (21.8) | 1607 (22.1) | 1932 (22.9) | 2017 (22.9) | 2064 (23.1) | 2006 (22.1) |
65–74 | 1585 (44.7) | 1958 (45.4) | 2379 (46.8) | 2966 (47.6) | 3333 (48.5) | 3482 (47.9) | 3939 (46.6) | 3957 (44.8) | 4072 (45.6) | 4062 (44.7) |
≥ 75 | 1115 (31.4) | 1307 (30.3) | 1492 (29.4) | 1748 (28.1) | 1970 (28.7) | 2090 (28.8) | 2496 (29.5) | 2784 (31.5) | 2720 (30.5) | 2949 (32.4) |
Residential area | ||||||||||
Metropolitan | 2124 (59.9) | 2521 (58.5) | 2916 (57.4) | 3613 (58.0) | 4040 (58.8) | 4223 (58.2) | 4971 (58.8) | 5193 (58.8) | 5311 (59.5) | 5150 (56.6) |
Urban | 873 (24.6) | 1074 (24.9) | 1431 (28.2) | 1695 (27.2) | 1829 (26.6) | 1954 (26.9) | 2241 (26.5) | 2278 (25.8) | 2358 (26.4) | 2515 (27.7) |
Rural | 524 (14.8) | 583 (13.5) | 733 (14.4) | 917 (14.7) | 1004 (14.6) | 1085 (14.9) | 1234 (14.6) | 1354 (15.3) | 1238 (13.9) | 1368 (15.0) |
Unknown | 27 (0.8) | 135 (3.1) | – | – | – | – | 3 (0.0) | – | 22 (0.2) | 59 (0.6) |
Income level, quintiles | ||||||||||
Below poverty line (lowest) | 628 (17.7) | 615 (14.3) | 339 (6.7) | 356 (5.7) | 407 (5.9) | 438 (6.0) | 521 (6.2) | 493 (5.6) | 572 (6.4) | 459 (5.0) |
I | 326 (9.2) | 451 (10.5) | 571 (11.2) | 673 (10.8) | 808 (11.8) | 863 (11.9) | 967 (11.4) | 975 (11.0) | 1026 (11.5) | 1103 (12.1) |
II | 337 (9.5) | 380 (8.8) | 581 (11.4) | 614 (9.9) | 720 (10.5) | 710 (9.8) | 847 (10.0) | 856 (9.7) | 921 (10.3) | 946 (10.4) |
III | 396 (11.2) | 501 (11.6) | 731 (14.4) | 832 (13.4) | 918 (13.4) | 994 (13.7) | 1128 (13.4) | 1215 (13.8) | 1184 (13.3) | 1228 (13.5) |
IV | 631 (17.8) | 763 (17.7) | 925 (18.2) | 1214 (19.5) | 1240 (18.0) | 1377 (19.0) | 1621 (19.2) | 1657 (18.8) | 1724 (19.3) | 1776 (19.5) |
V (highest) | 1230 (34.7) | 1603 (37.2) | 1933 (38.1) | 2536 (40.7) | 2780 (40.4) | 2880 (39.7) | 3365 (39.8) | 3629 (41.1) | 3502 (39.2) | 3580 (39.4) |
Charlson comorbidity index | ||||||||||
Mean ± SD | 3.9 ± 3.6 | 3.9 ± 3.4 | 3.8 ± 3.4 | 4.0 ± 3.5 | 4.2 ± 3.5 | 4.2 ± 3.4 | 4.2 ± 3.5 | 4.4 ± 3.5 | 4.4 ± 3.5 | 4.4 ± 3.6 |
0 | 616 (17.4) | 584 (13.5) | 607 (11.9) | 701 (11.3) | 673 (9.8) | 682 (9.4) | 741 (8.8) | 747 (8.5) | 748 (8.4) | 752 (8.3) |
1–2 | 1030 (29.0) | 1394 (32.3) | 1738 (34.2) | 1984 (31.9) | 2117 (30.8) | 2256 (31.1) | 2648 (31.3) | 2551 (28.9) | 2609 (29.2) | 2648 (29.1) |
3–4 | 637 (18.0) | 804 (18.6) | 1073 (21.1) | 1357 (21.8) | 1586 (23.1) | 1703 (23.5) | 1966 (23.3) | 1990 (22.5) | 2067 (23.1) | 2159 (23.7) |
≥ 5 | 1265 (35.7) | 1531 (35.5) | 1662 (32.7) | 2183 (35.1) | 2497 (36.3) | 2621 (36.1) | 3094 (36.6) | 3537 (40.1) | 3505 (39.3) | 3533 (38.9) |
SD Standard deviation