. 2012 Jul;106(3):181–187. doi: 10.1179/2047773212Y.0000000032

Table 2. Primary outcome measures for all patients (n = 167) .

	All	AS	Q	P	P
	n = 167	n = 24	n = 143	OR (CI)	Association^c adm.year&OC
Median length of stay, day (mean±SD)	5 (6.1±8.6)	3.5 (4.4±3.0)	5 (6.4±9.2)	P = 0.017^a	0.098^c
Length of stay ⩾3 days (%)	145 (87%)	17 (71%)	128 (90%)	P = 0.013^b OR = 0.29 (0.10, 0.82)
Length of stay ⩾5 days (%)	84 (50%)	7 (29%)	77 (54%)	P = 0.026^b OR = 0.35 (0.14, 0.92)
Median length of stay (ICU), day (mean±SD; range)	0 (1.5±6.3; 0–78)	0 (0.6±1.6; 0–6)	0 (1.6±6.8; 0–78)	P = 0.187^a	0.192 ^c
ICU admission (%)	45 (27%)	3 (13%)	42 (29%)	P = 0.086^b OR = 0.34 (0.10, 1.23)
Death during stay (%)	5(3%)	0 (0%)	5 (3.5%)	P = 0.354^b

Note: ^aWilcoxon rank-sum test.

^bOdds ratio.

^cLinear regression analysis, Prob>F (showing no association between year of admission and numerical outcome measures).