151751-Najiba-Chargi

119 Surgery: skeletal muscle mass, systemic inflammation and flap reconstruction Table 1. (Continued) All patients N=600 SMM known N= 413 SMM known N=413 NLR > 3 No 305 (49.5) 101 (53.4) 101 (45.1) 0.1 n.a n.a Yes 311 (50.5) 88 (46.6) 123 (54.9) n.a n.a Haemoglobin (g/L) Median (IQR) 135 (122 -146) 137.7 (18.8) 129.1 (17.4) <0.01 136.6 (15.5) 129.5 (20.4) <0.01 Haemoglobin ≤100 g/L No 585 (95) 181 (95.8) 209 (93.3) 0.3 201 (99.5) 189 (89.6) <0.01 Yes 31 (5) 8 (4.2) 15 (6.7) 1 (0.5) 22 (10.4) White cell count (10 9 /L) Median (IQR) 7.8 (6.4 - 9.4) 8.5 (7.1) 8.0 (2.4) 0.3 7.1 (1.9) 9.2 (6.8) <0.01 Neutrophils (10 9 /L) Median (IQR) 5.1 (4.0 - 6.6) 5.4 (2.6) 5.5 (2.3) 0.8 4.1 (1.3) 6.6 (2.6) <0.01 Lymphocytes (10 9 /L) Median (IQR) 1.7 (1.2 - 2.1) 1.7 (0.7) 1.7 (0.7) 0.2 2.1 (0.6) 1.3 (0.5) <0.01 Eosinophils (10 9 /L) Median (IQR) 0.1 (0.1 - 0.2 0.2 (0.1) 0.2 (0.2) 0.7 0.2 (0.1) 0.1 (0.2) <0.01 Basophils (10 9 /L) Median (IQR) 0.0 (0.0 - 0.1) 0.03 (0.05) 0.03 (0.07) 0.4 0.03 (0.05) 0.03 (0.07) 0.5 Monocytes (10 9 /L) Median (IQR) 73 (62 - 86) 0.7 (0.3) 0.6 (0.2) 0.2 0.6 (0.3) 0.7 (0.3) <0.01 Creatinine (μmol/L) Median (IQR) 73 (62 - 86) 78.9 (17.6) 76.4 (30.5) 0.3 78.6 (18.4) 76.6 (30.7) Albumin (g/L) Median (IQR) 45 (42 - 57) 45.0 (5.3) 44.0 (5.0) 0.06 45.2 (4.2) 43.8 (5.8) <0.01 Albumin ≤ 40 g/L No 509 (82.6) 161 (85.2) 190 (84.8) 0.9 184 (91.1) 167 (79.1) <0.01 Yes 107 (17.4) 28 (14.8) 34 (15.2) 18 (8.9) 44 (20.9) Total protein ≤ 70 g/L Median (IQR) 73 (69 - 77) 72.2 (9.1) 72.2 (8.3) 0.9 73.0 (7.9) 71.5 (9.3) 0.08 No 423 (68.7) 135 (71.4) 156 (69.6) 0.7 148 (73.3) 143 (67.8) 0.2 Yes 193 (31.3) 54 (28.6) 68 (30.4) 54 (26.7) 68 (32.2) C-reactive protein (mg/L) Median (IQR) 6 (2 - 24) 16.3 (28.5) 26.6 (63.6) 0.3 9.0 (11.9) 30.1 (62.9) <0.01 *Other flaps used: see figure 1 7