Table 1.

Patient characteristics

	All patients			Patients with RRT notification
Parameter	Control period	Intervention period	p	Control period	Intervention period	p
Number of patients	2139	2263		304/2139 (14.2)	365/2263 (16.1)	0.076
Ward 1 (gastroenterology)	941/2139 (44.0)	1062/2263 (46.9)	.051	131/304 (43.1)	177/365 (48.5)	0.163
Ward 2 (pulmonology)	1198/2139 (56.0)	1201/2263 (53.1)	0.051	173/304 (56.9)	188/365 (51.5)	0.163
Age in years	68.8 (68.1–69.5)	68.6 (67.9–69.3)	0.727	71.9 (70.2–73.6)	70.3 (68.7–72.0)	0.200
Male gender	1041/2139 (48.7)	1069/2263 (47.2)	0.343	152/304 (50.0)	175/365 (47.9)	0.596
Ward LOS	7 (4–11)	6 (3–11)	0.232	11 (7–18)	10 (7–19)	0.557
NEWS value on hospital admission	3.27 (3.14–3.41)	3.26 (3.13–3.39)	0.923	3.97 (3.63–4.31)	4.13 (3.81–4.45)	0.511
NEWS value on hospital admission Ward 1	1.84 (1.70–1.98)	2.01 (1.87–2.16)	0.096	2.73 (2.31–3.15)	2.62 (2.24–3.00)	0.692
NEWS value on hospital admission Ward 2	4.30 (4.12–4.48)	4.37 (4.19–4.56)	0.591	4.88 (4.42–5.34)	5.46 (5.04–5.88)	0.068
COPD and CFA diagnosis	526/2139 (24.6)	551/2263 (24.3)	0.851	104/304 (34.2))	122/365 (33.4)	0.831

Data expressed as means with 95% CI, median (IQR) and number (%). LOS length of stay, NEWS National Early Warning Score, EWS early warning score, COPD chronic obstructive pulmonary disease, CFA cryptogenic fibrosing alveolitis