Table 1

Basic characteristics of Taiwan study population in 2009

N (%)Overall
1 164 701 (100%)
65–74 years
639 634 (54.92%)
75–84 years
414 265 (35.57%)
≥85 years
110 802 (9.51%)
p Value
Gender<0.01
 Male558 904 (47.99)296 436 (46.34)210 250 (50.75)52 218 (47.13)
 Female605 797 (52.01)343 198 (53.66)204 015 (49.25)58 584 (52.87)
Number of diagnoses in 1 year<0.01
 1–10633 846 (54.42)362 956 (56.74)209 045 (50.46)61 845 (55.82)
 >10530 816 (45.58)276 657 (43.26)205 207 (49.54)48 952 (44.18)
Charlson Comorbidity Index<0.01
 Score 1268 123 (23.02)148 125 (23.16)94 506 (22.81)25 492 (23.01)
 Score 2183 247 (15.73)94 274 (14.74)69 395 (16.75)19 578 (17.67)
 Score >2299 585 (25.72)140 397 (21.95)124 567 (30.07)34 621 (31.25)
Number of outpatient clinic visits in 1 year<0.01
 1–24656 878 (56.40)383 403 (59.94)210 536 (50.82)62 939 (56.80)
 >24507 823 (43.60)256 231 (40.06)203 729 (49.18)47 863 (43.20)
Number of hospital visits in 1 year<0.01
 1–4783 351 (67.26)419 052 (65.51)279 393 (67.44)84 906 (76.63)
 >4381 350 (32.74)220 582 (34.49)134 872 (32.56)25 896 (23.37)
Number of medications in 1 year<0.01
 1–20659 452 (56.62)375 455 (58.70)218 320 (52.70)65 677 (59.27)
 >20505 249 (43.38)264 179 (41.30)195 945 (47.30)45 125 (40.73)