Table 1:

Descriptive characteristics of patients and their physicians between 2002/03 and 2005/06

CharacteristicYear; no. (%) of patients*
n = 586 534
2002/032003/042004/052005/06
Patients enrolled in PEM0 (0.0)167 400 (28.5)288 321 (49.2)449 481 (76.6)
Age group, yr
 0–20123 634 (21.1)116 772 (19.9)109 830 (18.7)102 803 (17.5)
 21–65378 955 (64.6)380 342 (64.9)381 595 (65.1)383 006 (65.3)
 ≥ 6683 945 (14.3)89 420 (15.3)95 109 (16.2)100 725 (17.2)
Sex, female328 290 (56.0)328 290 (56.0)328 290 (56.0)328 290 (56.0)
Low income area223 160 (38.1)217 889 (37.1)230 563 (39.3)226 166 (38.6)
ADG score, mean ± SE3.650 ± 0.0033.634 ± 0.0033.580 ± 0.0033.606 ± 0.003
No. of physicians8128822481868164
Physician characteristic
 Age, yr, mean ± SE48.71 ± 0.1249.08 ± 0.1249.63 ± 0.1250.10 ± 0.12
 Sex, female2728 (33.6)2822 (34.3)2840 (34.7)2888 (35.4)
 Years since graduation, mean ± SE22.24 ± 0.1322.58 ± 0.1323.12 ± 0.1323.60 ± 0.13
 Group size, mean ± SE1.00 ± 0.001.37 ± 0.036.43 ± 0.1510.71 ± 0.22
 IMG status1032 (12.7)1056 (12.8)1099 (13.4)1170 (14.3)
ED visits per 1000 patients per month, mean ± SE
 Overall ED visits28.19 ± 0.1125.98 ± 0.1127.88 ± 0.1128.99 ± 0.11
  Regular hours9.87 ± 0.059.23 ± 0.0510.26 ± 0.0510.90 ± 0.05
  After hours18.33 ± 0.0816.75 ± 0.0817.62 ± 0.0818.09 ± 0.08
 Very urgent visits2.35 ± 0.022.68 ± 0.023.62 ± 0.034.35 ± 0.03
  Regular hours0.82 ± 0.010.93 ± 0.011.31 ± 0.011.58 ± 0.02
  After hours1.53 ± 0.021.75 ± 0.022.31 ± 0.022.77 ± 0.03
 Urgent visits10.58 ± 0.0510.29 ± 0.0511.68 ± 0.0612.55 ± 0.06
  Regular hours3.56 ± 0.033.57 ± 0.034.17 ± 0.034.58 ± 0.03
  After hours7.02 ± 0.046.72 ± 0.047.51 ± 0.047.97 ± 0.04
 Less-urgent visits15.27 ± 0.0713.01 ± 0.0712.58 ± 0.0612.09 ± 0.07
  Regular hours5.48 ± 0.044.73 ± 0.034.78 ± 0.034.74 ± 0.03
  After hours9.78 ± 0.058.28 ± 0.057.81 ± 0.057.35 ± 0.04
  • Note: ADG = aggregated diagnosis group, ED = emergency department, IMG = international medical graduate, PEM = patient enrolment model, SE = standard error.

  • * Except where indicated otherwise.