Table 2.

Outcomes in ICU survivors according to French Deprivation Index (FDep) quintiles of the general French population

Outcome	Q1 (n = 791)	Q2 (n = 230)	Q3 (n = 91)	Q4 (n = 152)	Q5 (n = 183)	p value
1-year mortality	147 (18.6%)	44 (19.1%)	15 (16.5%)	32 (21.2%)	36 (19.8%)	0.911 [c]
MCS at 12 months	58.5 [36.8; 77.9]	65.7 [40.6; 79.2]	62.2 [41.1; 77.9]	55.9 [37.2; 71.4]	49.2 [33.8; 72.6]	0.27 [k]
PCS at 12 months	55.6 [35.5; 78.8]	51.2 [30; 71.9]	45.6 [28.8; 77.5]	48.8 [30.9; 68.8]	45 [30; 65]	0.108 [k]

MCS mental health component score, PCS physical health component score, FDep French Deprivation Index, ICU intensive care unit, LOS length of stay, [c] Chi², [k] Kruskal–Wallis

FDep quintiles of the general French population:

FDep ≤ − 0.38384: Quintile FDep = 1

− 0.38384 < FDep ≤ 0.12852: Quintile FDep = 2

0.12852 < FDep ≤ 0.45389: Quintile FDep = 3 

0.45389 < FDep ≤ 0.77483: Quintile FDep = 4

FDep > 0.77483: Quintile FDep = 5