Table 1

Descriptive statistics for admissions to the 183 study hospitals during 1991-2 to 1994-5

Year
1991-21992-31993-41994-5All
All cases (emergency and elective admissions)
No of admissions:
  Total1 773 5981 858 3201 996 1602 025 4497 653 527
  Mean (SD)9 692 (4 235)10 155 (4 422)10 908 (4 982)11 068 (5 359)41 823 (18 547)
Total No of deaths157 083154 500162 348150 200624 131
Mean (SD) crude death rate (%)9.2 (2.3)8.6 (2.0)8.4 (2.0)7.6 (1.9)8.5 (1.9)
Mean (SD) HSMR104.9 (14.7)101.1 (14.2)100.4 (14.6)97.0 (13.2)100.8 (13.0)
Emergencies (%)6160605860
Emergency admissions only
No of admissions:
  Total1 076 6471 121 0771 197 8931 173 4304 569 047
  Mean (SD)5 883 (2 315)6 126 (2 317)6 546 (2 571)6 412 (2 690)24 967 (9 578)
Total No of deaths143 590142 807151 611140 616578 624
Mean (SD) crude death rate (%)13.5 (2.6)12.9 (2.4)12.8 (2.4)12.0 (2.4)12.8 (2.2)
Mean (SD) HSMR102.6 (11.3)99.8 (11.1)99.9 (11.8)98.1 (10.7)100.1 (9.9)
  • HSMR=hospital standardised mortality ratios.