Skip to main content

Table 2 Differences between patients who died or survived within 30 days after discharge by hospital characteristics (n = 129,923)

From: Association between the bed-to-nurse ratio and 30-day post-discharge mortality in patients undergoing surgery: a cross-sectional analysis using Korean administrative data

VariableCategoriesTotal
n (%)
Died
(n = 1355, 0.01%)
n (%)
Survived
(n = 128,568, 99.9%)
n (%)
χ2p
Hospital typeTertiary hospital89,783 (69.1)825 (0.9)88,958 (99.1)43.33< .001
Secondary hospital40,140 (30.9)530 (1.3)39,610 (98.7)
Hospital ownershipPublic sector24,717 (19.0)218 (0.9)24,499 (99.1)19.62< .001
Educational foundation54,464 (41.9)636 (1.2)53,828 (98.8)
Medical or other corporation47,036 (36.2)453 (1.0)46,583 (99.0)
Private corporation3706 (2.9)48 (1.3)3658 (98.7)
Hospital locationSeoul58,146 (44.8)460 (0.8)57,686 (99.2)65.80< .001
Metropolitan city31,712 (24.4)381 (1.2)31,331 (98.8)
Small and medium sized city40,065 (30.8)514 (1.3)39,551 (98.7)
Bed-to-physician ratiosLess than 2.050,498 (38.9)358 (0.7)50,140 (99.3)150.43< .001
2.0–3.965,116 (50.1)761 (1.2)64,355 (98.8)
4.0–5.97087 (5.5)81 (1.1)7006 (98.9)
6.0 or greater7222 (5.6)155 (2.2)7067 (97.9)
Bed-to-nurse ratiosLevel 1 (Less than 2.5)71,087 (54.7)588 (0.8)70,499 (99.2)113.91< .001
Level 2 (2.5–3.4)54,681 (42.1)674 (1.2)54,007 (98.8)
Level 3 (3.5–4.4)1483 (1.1)26 (1.8)1457 (98.3)
Level 4 (4.5 or greater)2672 (2.1)67 (2.5)2605 (97.5)