Article Figures & Tables
Tables
- Table 1:
Characteristics of patients with hypoxic ischemic brain injury in the acute care setting and readmission within 1 year of the acute care discharge, Ontario, 2002/03–2010/11
Characteristic No. (%) of discharges
n = 593Readmission within 1 yr, no. (%) of patients p value Yes
n = 233No
n = 360Age at admission, yr 20–34 54 (9.1) 20 (8.6) 34 (9.4) 0.2 35–49 107 (18.0) 35 (15.0) 72 (20.0) 50–64 189 (31.9) 70 (30.0) 119 (33.0) 65–79 188 (31.7) 85 (36.5) 103 (28.6) ≥ 80 55 (9.3) 23 (9.9) 32 (8.9) Sex Female 204 (34.4) 72 (30.9) 132 (36.7) 0.1 Male 389 (65.6) 161 (69.1) 228 (63.3) Income quintile 1 (lowest) 165 (27.8) 62 (26.6) 103 (28.6) 0.8 2 126 (21.2) 52 (22.3) 74 (20.6) 3 105 (17.7) 42 (18.0) 63 (17.5) 4 123 (20.7) 52 (22.3) 71 (19.7) 5 (highest) 74 (12.5) 25 (10.7) 49 (13.6) Rurality Rural 58 (9.8) 23 (9.9) 35 (9.7) 1.0 Urban 535 (90.2) 210 (90.1) 325 (90.3) Johns Hopkins ACG Resource Utilization Bands category None or healthy 34 (5.7) 13 (5.6) 21 (5.8) 0.7 Low 35 (5.9) 13 (5.6) 22 (6.1) Moderate 198 (33.4) 75 (32.2) 123 (34.2) High 152 (25.6) 56 (24.0) 96 (26.7) Very high 174 (29.3) 76 (32.6) 98 (27.2) Comorbidity index* < 10 187 (31.5) 69 (29.6) 118 (32.8) 0.3 10–30 265 (44.7) 101 (43.3) 164 (45.6) > 30 141 (23.8) 63 (27.0) 78 (21.7) Fiscal year 2002/03–2003/04 137 (23.1) 50 (21.4) 87 (24.2) 0.9 2004/05–2005/06 123 (20.7) 51 (21.9) 72 (20.0) 2006/07–2007/08 131 (22.1) 50 (21.4) 81 (22.5) 2008/09–2009/10 138 (23.3) 56 (24.0) 82 (22.8) 2010/11 64 (10.8) 26 (11.2) 38 (10.6) No. of special care hours 0 86 (14.5) 31 (13.3) 55 (15.3) 0.6 1–499 333 (56.2) 127 (54.5) 206 (57.2) 500–999 95 (16.0) 40 (17.2) 55 (15.3) ≥ 1000 79 (13.3) 35 (15.0) 44 (12.2) Index length of stay, d < 10 119 (20.1) 37 (15.9) 82 (22.8) 0.1 10–30 203 (34.2) 77 (33.0) 126 (35.0) 31–90 210 (35.4) 94 (40.3) 116 (32.2) > 90 61 (10.3) 25 (10.7) 36 (10.0) No. of alternate level of care days 0 354 (59.7) 131 (56.2) 223 (61.9) 0.4 1–14 100 (16.9) 44 (18.9) 56 (15.6) > 14 139 (23.4) 58 (24.9) 81 (22.5) Psychological/behavioural diagnosis Absent 452 (76.2) 185 (79.4) 267 (74.2) 0.1 Present 141 (23.8) 48 (20.6) 93 (25.8) Discharge disposition Home 130 (21.9) 63 (27.0) 67 (18.6) 0.02 Rehabilitation 122 (20.6) 54 (23.2) 68 (18.9) Continuing/long-term care 181 (30.5) 62 (26.6) 119 (33.0) Other 160 (27.0) 54 (23.2) 106 (29.4) Note: ACG = Adjusted Clinical Groups, ADG = Aggregated Diagnosis Groups.
↵* Derived from a weighted sum of the Johns Hopkins Aggregated Diagnosis Groups accumulated over the 2 years before the acute care admission.
- Table 2:
Rate ratios for potential determinants of number of readmissions and cumulative duration of acute care stay(s) within 1 year of index acute care discharge
Potential determinant Outcome; RR (95% CI) No. of readmissions Cumulative duration of stay(s) Age at admission, yr 20–34 0.93 (0.57–1.51) 0.64 (0.25–1.67) 35–49 0.57 (0.38–0.85) 0.51 (0.23–1.09) 50–64 0.72 (0.52–1.00) 0.71 (0.37–1.39) 65–79 1.00 1.00 ≥ 80 0.58 (0.34–0.97) 0.70 (0.27–1.80) Sex Female 1.06 (0.80–1.40) 1.03 (0.57–1.86) Male 1.00 1.00 Johns Hopkins ACG Resource Utilization Bands category NR None or healthy 0.15 (0.05–0.49) Low 0.85 (0.24–3.02) Moderate 0.68 (0.36–1.28) High 0.71 (0.37–1.40) Very high 1.00 Comorbidity index NR < 10 1.00 10–30 1.19 (0.85–1.65) > 30 1.60 (1.11–2.31) Index length of stay, d NR < 10 1.67 (0.78–3.59) 10–30 2.88 (1.28–6.52) 31–90 4.17 (1.38–12.64) > 90 1.00 No. of special care hours NR 0 0.88 (0.58–1.33) 1–499 1.00 500–999 1.22 (0.85–1.77) ≥ 1000 1.47 (0.98–2.19) Psychological/behavioural diagnosis NR Absent 1.00 Present 0.73 (0.52–1.01) Discharge disposition Home 1.41 (0.97–2.06) 0.44 (0.21–0.91) Rehabilitation 1.43 (0.97–2.09) 1.25 (0.60–2.63) Continuing/long-term care 1.00 1.00 Other 1.09 (0.74–1.60) 1.73 (0.74–4.06) Note: ACG = Adjusted Clinical Groups, ADG = Aggregated Diagnosis Groups, CI = confidence interval, NR = not retained in the model, RR = rate ratio.