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Table 2 Appropriate rate by baseline characteristic on different policy intervention

From: Effectiveness of hospital emergency department regionalization and categorization policy on appropriate patient emergency care use: a nationwide observational study in Taiwan

  Regionalization Policy Intervention, n = 816,861 Categorization Policy Intervention, n = 789,743
Pre-policy period (n = 475,991) Regionalization period (n = 340,870)   Regionalization period (n = 340,870) Categorization period (n = 448,873)  
No of Appropriate ED Visit (%) No of Appropriate ED Visit (%) P Value No of Appropriate ED Visit (%) No of Appropriate ED Visit (%) P Value
Total 305,116 (64.1) 233,970 (68.6) < 0.001 233,970 (68.6) 307,261 (68.5) 0.17
Sex
 Female 153,088 (63.6) 117,849 (67.9) < 0.001 117,849 (67.9) 154,642 (67.7) 0.38
 Male 152,028 (64.6) 116,121 (69.5) < 0.001 116,121 (69.5) 152,619 (69.2) 0.28
Age
  < 18 43,598 (37.5) 21,956 (37.8) 0.29 21,956 (37.8) 23,658 (36.4) < 0.001
 18–64 165,836 (66.0) 129,437 (68.2) < 0.001 129,437 (68.2) 174,718 (66.9) < 0.001
  ≥ 65 95,682 (88.2) 82,577 (88.9) 0.006 82,577 (88.9) 108,885 (88.9) 1.00
Charlson Comorbidity Index
 CCI ≤ 1 211,153 (56.8) 153,181 (60.9) < 0.001 153,181 (60.9) 198,990 (60.6) 0.027
 CCI > 1 93,963 (90.2) 80,789 (90.5) 0.21 80,789 (90.5) 108,271 (90.0) 0.078
Place of residence
 Urban 72,188 (60.4) 55,220 (64.1) < 0.001 55,220 (64.1) 72,620 (63.7) 0.13
 Suburban 92,955 (63.1) 71,748 (67.9) < 0.001 71,748 (67.9) 93,557 (67.5) 0.058
 Rural 136,783 (67.4) 104,686 (72.1) < 0.001 104,686 (72.1) 138,021 (72.3) 0.25
 Missing 3190 (51.7) 2316 (59.6) < 0.001 2316 (59.6) 3063 (58.3) 0.32
Place of ED resources
 Sufficient area 245,981 (63.7) 189,216 (68.1) < 0.001 189,216 (68.1) 246,829 (67.8) 0.021
 Insufficient area 59,135 (65.7) 44,754 (70.8) < 0.001 44,754 (70.8) 60,432 (71.3) 0.12
Day of visit
 Weekday 207,817 (67.9) 159,223 (72.4) < 0.001 159,223 (72.4) 210,381 (72.1) 0.042
 Weekend 97,299 (57.3) 74,747 (61.9) < 0.001 74,747 (61.9) 96,880 (61.7) 0.61
Income level
 Quintile 1 (Lowest) 105,959 (65.0) 20,879 (60.3) < 0.001 20,879 (60.3) 27,629 (60.4) 0.79
 Quintile 2 29,545 (67.2) 77,534 (73.7) < 0.001 77,534 (73.7) 98,340 (73.4) 0.13
 Quintile 3 85,307 (68.4) 62,461 (73.0) < 0.001 62,461 (73.0) 25,495 (67.5) < 0.001
 Quintile 4 27,359 (59.0) 26,183 (64.4) < 0.001 26,183 (64.4) 89,831 (71.1) < 0.001
 Quintile 5 (Highest) 55,478 (58.3) 44,571 (63.0) < 0.001 44,571 (63.0) 62,849 (63.6) 0.060
 Missing 1468 (55.0) 2342 (56.3) 0.36 2342 (56.3) 3117 (50.5) < 0.001
Occupation
 Dependents of the insured individuals 113,133 (55.0) 78,377 (61.2) < 0.001 78,377 (61.2) 97,312 (62.0) 0.001
 Civil servants, teachers, military personnel, and veterans 17,384 (78.0) 19,879 (80.8) < 0.001 19,879 (80.8) 25,137 (79.7) 0.012
 Nonmanual workers and professionals 49,789 (59.8) 37,726 (62.8) < 0.001 37,726 (62.8) 53,941 (61.6) < 0.001
 Manual workers 88,197 (77.0) 72,606 (78.1) < 0.001 72,606 (78.1) 97,322 (77.2) < 0.001
 Other 35,280 (73.9) 23,154 (74.5) 0.22 23,154 (74.5) 30,531 (75.0) 0.20
 Missing 1333 (53.7) 2228 (55.3) 0.24 2228 (55.3) 3018 (49.8) < 0.001
  1. Using the chi-squared test to check the percentage of an emergent visit from all emergency department visit by subgroup; ED emergency department