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Table 2 Total number of cardiac surgeries, median of the annual number of cardiac surgeries, number of deaths within 30-days of surgery, and mortality rates in 18 hospitals 2001-2009 by academic affiliation status

From: Hospital-level associations with 30-day patient mortality after cardiac surgery: a tutorial on the application and interpretation of marginal and multilevel logistic regression

Hospital The median annual number of cardiac surgeries No. of surgeries* No. of deaths Mortality rate (%)
Teaching     
1 310 1174 37 3.15
2 163 326 10 3.07
3 195 780 8 1.03
4 147 294 6 2.04
5 147 470 17 3.62
6 293 1083 44 4.06
7 209 418 8 1.91
8 512 4361 176 4.04
9 437 3729 123 3.30
10 418 3291 129 3.92
11 284 1131 27 2.39
12 332 2753 93 3.38
13 402 3206 106 3.31
14 649 5314 97 1.83
15 324 1291 28 2.17
Non-teaching     
16 475 1723 47 2.73
17 75 151 4 2.65
18 172 859 23 2.68
  1. * Not all hospitals reported for all 9 years in the period 2001-2009