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Table 5. NIS and NHDS Comparisons by Hospital Characteristics, 1995

Control/Bedside

Number of Discharges in Thousands
(Standard Error)

Average Length of Stay in Days
(Standard Error)

In-Hospital Mortality
Rate: Percent
(Standard Error)
NIS NHDS NIS NHDS NIS NHDS
Private/Investor-owned
Total 3,689
(107)		 3,631
(124)		 4.94
(.14)		 5.04
(.28)		 2.70
(.12)		 2.53
(.18)
6 - 99 beds 634**
(33)		 831
(34)		 4.91
(.21)		 4.53
(.29)		 2.49
(.12)		 2.80
(.30)
100 - 199 beds 1,544**
(51)		 1,172
(45)		 4.80
(.12)		 5.06
(.30)		 2.78*
(.10)		 2.41
(.52)
200 - 299 beds 1,055
(108)		 893
(36)		 4.90
(.41)		 5.48
(.34)		 2.53
(.36)		 2.18
(.64)
300 - 499 beds 381**
(129)		 735
(31)		 5.34
(.28)		 5.04
(.32)		 3.00
(.14)		 2.56
(.35)
500+ beds 75
(60)		 -
(b)		 6.50a
(0.0)		 -
(b)		 3.38a
(0.0)		 -
(b)
Private/Nonprofit
Total 26,091
(436)		 26,132
(839)		 5.25
(.05)		 5.06
(.27)		 2.58**
(.03)		 2.38
(.07)
6 - 99 beds 2,483**
(92)		 4,324
(146)		 4.41
(.11)		 4.73
(.26)		 2.74**
(.07)		 2.09
(.16)
100 - 199 beds 5,039**
(184)		 6,301
(209)		 5.08
(.10)		 4.65
(.25)		 2.57*
(.06)		 2.21
(.14)
200 - 299 beds 5,091
(340)		 5,281
(176)		 5.18
(.10)		 5.06
(.27)		 2.55
(.07)		 2.52
(.16)
300 - 499 beds 8,026
(425)		 7,184
(237)		 5.12
(.08)		 5.30
(.28)		 2.50
(.05)		 2.53
(.14)
500+ beds 5,452**
(383)		 3,042
(105)		 6.06
(.15)		 5.76
(.32)		 2.65
(.07)		 2.50
(.21)
Government/Nonfederal
Total 5,011**
(199)		 4,338
(146)		 5.70
(.24)		 5.04
(.27)		 2.54
(.05)		 2.53
(.18)
6 - 99 beds 1,320**
(52)		 1,645
(60)		 5.71
(.86)		 3.98
(.23)		 2.62
(.09)		 2.80
(.30)
100 - 199 beds 919**
(61)		 470
(22)		 4.93*
(.15)		 4.15
(.30)		 2.43
(.10)		 2.41
(.52)
200 - 299 beds 425
(95)		 286
(15)		 4.31
(.27)		 4.96
(.39)		 1.96
(.20)		 2.18
(.64)
300 - 499 beds 872*
(88)		 1,118
(43)		 5.98
(.22)		 5.93
(.35)		 2.60
(.14)		 2.56
(.35)
500+ beds 1,477**
(186)		 818
(34)		 6.42
(.19)		 6.49
(.40)		 2.66
(.12)		 2.13
(.37)

a A significance test was not performed because a valid standard error was not available.
b The NHDS sample size was too small to calculate a valid estimate of standard error.
* Difference is significant at the 0.05 level.
** Difference is significant at the 0.01 level.

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Page last reviewed December 2012
Page originally created December 2012
Internet Citation: Table 5. NIS and NHDS Comparisons by Hospital Characteristics, 1995. Content last reviewed December 2012. Agency for Healthcare Research and Quality, Rockville, MD. https://archive.ahrq.gov/research/data/hcup/nhds/comptb5.html

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