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Table 2 Regional variation in dialysis discontinuation prior to death in ESRD patients by ESRD network (1995–2009)

From: Regional variation in care at the end of life: discontinuation of dialysis

ESRD network (US states included in the network) Observed probability of discontinuation (95% CI) Estimated probability1of discontinuation (95% CI) Adjusted odds ratio2(95% CI)
18 (Southern CA) 0.171 (0.167, 0.174) 0.154 (0.151, 0.158) 0.59 (0.57, 0.61)
2 (NY) 0.183 (0.180, 0.187) 0.170 (0.167, 0.174) 0.66 (0.64, 0.69)
3 (NJ) 0.193 (0.188, 0.198) 0.187 (0.182, 0.191) 0.74 (0.72, 0.77)
10 (IL) 0.202 (0.198, 0.206) 0.194 (0.190, 0.199) 0.78 (0.75, 0.81)
13 (AR, LA, OK) 0.205 (0.201, 0.209) 0.218 (0.214, 0.223) 0.90 (0.87, 0.93)
8 (AL, MS, TN) 0.199 (0.196, 0.203) 0.220 (0.216, 0.224) 0.91 (0.88, 0.94)
5 (DC, MD, VA, WV) 0.207 (0.204, 0.211) 0.226 (0.222, 0.230) 0.94 (0.91, 0.97)
6 (GA, NC, SC) 0.205 (0.202, 0.208) 0.236 (0.233, 0.240) 1.00 (0.97, 1.03)
9 (IN, KY, OH) 0.253 (0.250, 0.257) 0.236 (0.233, 0.240) 1.00*
4 (DE, PA) 0.269 (0.264, 0.274) 0.238 (0.234, 0.243) 1.01 (0.98, 1.04)
14 (TX) 0.250 (0.246, 0.254) 0.240 (0.236, 0.245) 1.02 (0.99, 1.05)
17 (HI, Northern CA) 0.248 (0.243, 0.253) 0.241 (0.236, 0.247) 1.03 (0.99, 1.06)
7 (FL) 0.257 (0.253, 0.261) 0.250 (0.246, 0.254) 1.08 (1.05, 1.11)
12 (IA, KS, MO, NE) 0.312 (0.307, 0.317) 0.288 (0.283, 0.294) 1.31 (1.27, 1.35)
15 (AZ, CO, NM, NV, UT, WY) 0.319 (0.314, 0.325) 0.303 (0.297, 0.308) 1.40 (1.36, 1.45)
1 (CT, MA, ME, NH, RI, VT) 0.361 (0.355, 0.368) 0.313 (0.307, 0.320) 1.48 (1.43, 1.53)
11 (MI, MN, ND, SD, WI) 0.332 (0.328, 0.336) 0.315 (0.311, 0.319) 1.48 (1.45, 1.52)
16 (AK, ID, MT, OR, WA) 0.395 (0.388, 0.401) 0.365 (0.358, 0.371) 1.85 (1.79, 1.92)
  1. 1Predicted probability of discontinuation of dialysis from LS-means estimates from the logistic regression (i.e. estimated at average values of all covariates included in the model);
  2. 2The odds of dialysis discontinuation for a ESRD network relative to reference network 9;
  3. *Reference, network 9 with the rate of dialysis discontinuation closest to the median of estimated probability for the overall study population;
  4. ESRD = End-Stage Renal Disease; CI = confidence interval.