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Table 3 Age-sex distribution of the original population of 1,590,669 patients who had medical inpatient or outpatient care at least once between February 1, 2018 and January 31, 2019

From: The validity of the claims-based definition of rheumatoid arthritis evaluated in 64 hospitals in Japan

  Non-DPC hospitals DPC Hospital Total
  East Japan West Japan  
17 hospitals 25 hospitals 22 hospitals 64 hospitals
Sex
 Males 69,173 (48.7%) 392,547 (49.6%) 328,752 (50.0%) 790,472 (49.7%)
 Females 72,978 (51.3%) 398,158 (50.4%) 329,061 (50.0%) 800,197 (50.3%)
Age
 0–4 4904 (3.4%) 25,104 (3.2%) 37,697 (5.7%) 67,705 (4.3%)
 5–14 8933 (6.3%) 42,976 (5.4%) 52,915 (8.0%) 104,824 (6.6%)
 15–24 9594 (6.7%) 51,453 (6.5%) 48,714 (7.4%) 109,761 (6.9%)
 25–34 11,901 (8.4%) 62,040 (7.8%) 55,298 (8.4%) 129,239 (8.1%)
 35–44 16,278 (11.5%) 79,925 (10.1%) 67,202 (10.2%) 163,405 (10.3%)
 45–54 17,817 (12.5%) 103,330 (13.1%) 79,469 (12.1%) 200,616 (12.6%)
 55–64 18,076 (12.7%) 95,831 (12.1%) 74,005 (11.3%) 187,912 (11.8%)
 65–74 22,019 (15.5%) 134,872 (17.1%) 101,639 (15.5%) 258,530 (16.3%)
 75–84 18,708 (13.2%) 128,307 (16.2%) 92,824 (14.1%) 239,839 (15.1%)
 85- 13,921 (9.8%) 66,867 (8.5%) 48,050 (7.3%) 128,838 (8.1%)
Total 142,151 (100.0%) 790,705 (100.0%) 657,813 (100.0%) 1590,669 (100.0%)
  1. DPC Diagnosis Procedure Combination/Per-Diem Payment System