Table 1 General characteristics about sepsis in the study population.
Propensity score matching | ||||||||
|---|---|---|---|---|---|---|---|---|
Unmatched data set (N = 7,493) | Matched data set (N = 2,538) | |||||||
Low sepsis group (N = 1,873) | Intermediate sepsis group (N = 3,631) | High sepsis group (N = 1,989) | P-value | Low sepsis group (N = 846) | Intermediate sepsis group (N = 846) | High sepsis group (N = 846) | P-value | |
Sepsis incidence density (cases per 1,000 person-day) | 1.17 | 3.17 | 8.88 | <0.001*,**,† | 1.27 | 2.99 | 9.04 | <0.001*,**,† |
Sepsis, total, number (%) | 125 (6.7%) | 656 (16.9%) | 721 (36.2%) | <0.001*,**,† | 65 (7.7%) | 137 (16.2%) | 320 (37.8%) | <0.001*,**,† |
Early-onset | 26 (1.4%) | 52 (1.4%) | 52 (2.6%) | <0.001*,**,† | 19 (2.2%) | 13 (1.5%) | 21 (2.5%) | <0.001*,**,† |
Late-onset | 99 (5.3%) | 563 (15.5%) | 669 (33.6%) | 46 (5.4%) | 124 (14.7%) | 299 (35.3%) | ||
Sepsis, bacterial, number (%) | 114 (6.1%) | 580 (16.0%) | 699 (35.1%) | <0.001*,**,† | 60 (7.1%) | 129 (15.2%) | 314 (37.1%) | <0.001*,**,† |
Sepsis, Fungal, number (%) | 11 (0.6%) | 63 (1.7%) | 65 (3.3%) | <0.001*,**,† | 5 (0.6%) | 10 (1.2%) | 23 (2.7%) | 0.001** |
Sepsis, multiple, number (%) | 18 (1.0%) | 112 (3.1%) | 169 (8.5%) | <0.001*,**,† | 9 (1.1%) | 28 (3.3%) | 74 (8.7%) | <0.001*,**,† |
First postnatal day of sepsis(days) | 14 [5,27] | 15 [7,28] | 15 [8,27] | 0.172 | 13 [0, 23] | 14 [7,27] | 16 [9,29] | 0.029** |
