Table 2. Daily and cumulative fluid status of the 296 patients with influenza by 30-day mortality.

	All (N = 296)			Survivors (N = 241)			Non-survivors (N = 55)			P valuea
	Input (I)	Output (O)	IO balance	Input (I)	Output (O)	IO balance	Input (I)	Output (O)	IO balance
Daily fluid status
Day 1	2094±1726	1408±1027	684±1748	2038±1666	1433±1003	593±1691	2328±1959	1300±1132	1076±1946	0.069
Day 2	2649±1145	1936±1186	727±1340	2581±1110	2000±1196	598±1285	2942±1256	1662±1110	1280±1439	0.001
Day 3	2551±1141	2232±1441	341±1329	2487±983	2226±1211	279±1235	2828±1650	2257±2203	613±1667	0.093
Day 4	2444±935	2367±1286	93±1254	2409±914	2467±1246	-47±1128	2595±1014	1925±1376	704±1570	0.001
Day 5	2395±925	2574±1362	-170±1363	2366±881	2604±1322	-227±1296	2531±1105	2437±1543	93±1625	0.128
Day 6	2345±854	2646±1896	-301±1934	2293±755	2745±1973	-452±2004	2601±1213	2148±1364	453±1310	0.003
Day 7	2402±902	2505±1273	-94±1236	2329±826	2541±1219	-202±1148	2782±1164	2314±1524	468±1516	0.008
Cumulative fluid status
Day 1–2	4605±2431	3223±1889	1382±2422	4471±2306	3305±1862	1166±2268	5185±2862	2867±1979	2318±2835	0.001
Day 1–3	7109±3172	5400±2861	1710±3011	6903±2937	5472±2725	1431±2807	8013±3949	5083±3404	2930±3557	0.001
Day 1–4	9545±3709	7743±3686	1802±3504	9302±3465	7918±3538	1384±3159	10608±4512	6974±4227	3635±4303	<0.001
Day 1–5	11875±4295	10239±4460	1637±3968	11629±4077	10468±4317	1161±3615	12955±5047	9234±4955	3721±4742	<0.001
Day 1–6	14109±4681	12759±5248	1349±4553	13865±4412	13145±5054	720±4207	15178±5636	11070±5778	4108±5009	<0.001
Day 1–7	16194±4789	15027±5899	1249±4850	15905±4307	15518±5558	510±4429	17478±6406	12879±6856	4474±5313	<0.001

^acomparison of IO balance between the survivors and non-survivors. Data are presented as mean ± SD.