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Table 1 Clinical indices and pathological data of patients stratified by the presence of preoperative sarcopenia

From: The impact of sarcopenia and myosteatosis on postoperative outcomes in patients with inflammatory bowel disease

  All patients (n = 77)
n (%)
No sarcopenia (n = 47)
n (%)
Sarcopenia (n = 30)
n (%)
p-value
Age, years (range) 42 (20–80) 41 (21–74) 43(20–80) 0.538a
Gender
 Male 46 (60) 31 (66) 15 (50) 0.124b
 Female 31 (40) 16 (34) 15 (50)
Diagnosis
 Ulcerative colitis 21 (27) 15 (32) 6 (20) 0.504c
 Crohn disease 52 (68) 30 (64) 22 (73)
 Indeterminate colitis 4 (5) 2 (4) 2 (7)
Location (Crohn)
 L1, ileal 14 (27) 9 (30) 5 (23) 0.443
 L2, colonic 37 (71) 21 (70) 16 (73)
 L3, ileocolonic 1 (2) 0 (0) 1 (4)
Behaviour (Crohn)
 B1, non-stricturing, non-penetrating 11 (21) 6 (20) 5 (23) 0.047
 B2, stricturing 19 (37) 15 (50) 4 (18)
 B3, penetrating 22 (42) 9 (30) 13 (59)
 P, perianal disease 0 (0) 0 (0) 0 (0)
Body weight, kg (range) 73 (32–129) 76 (53–118) 70 (32–129) 0.170a
BMI, median (range) 24 (16–37) 24 (19–33) 21 (16–37) 0.037d
BMI categories
 Underweight 5 (7) 0 (0) 5 (17) 0.028c
 Normal 44 (57) 28 (60) 16 (53)
 Overweight 12 (16) 8 (19) 3 (10)
 Obese 16 (21) 10 (21) 6 (20)
ASA physical score
 Grade 1 13 (17) 9 (19) 4 (13) 0.681c
 Grade 2 49 (64) 30 (64) 19 (63)
 Grade 3 14 (18) 8 (17) 6 (20)
 Grade 4 1 (1) 0 (0) 1 (3)
Charlson Comorbidity Index
 0 35 (45) 20 (43) 15 (50) 0.214c
 1 20 (26) 15 (32) 5 (17)
 2 11 (14) 5 (11) 6 (20)
 3 3 (39) 3 (6) 0 (0)
 4 2 (26) 0 (0) 2 (7)
 5 4 (52) 2 (4) 2 (7)
 6 1 (1) 1 (2) 0 (0)
 7 1 (1) 1 (2) 0 (0)
Smoking status
 Non-smoker 49 (64) 29 (62) 20 (67) 0.558b
 Ex-smoker 15 (19) 11 (23) 4 (13)
 Smoker 13 (17) 7 (15) 6 (20)
Preoperative steroid therapy
 No 35 (46) 22 (47) 13 (43) 0.475b
 Yes 42 (55) 25 (53) 17 (57)
Preoperative immunosuppression
 No 43 (56) 23 (49) 20 (67) 0.098b
 Yes 34 (44) 24 (51) 10 (33)  
Preoperative anticoagulation
 No 73 (95) 45 (96) 28 (93) 0.509c
 Yes 4 (5) 2 (4) 2 (7)
Haemoglobin, male (range) 12 (10.5–13.6) 12.6 (10.5–13.7) 11.6 (10.3–12.3) 0.122
Haemoglobin, female (range) 11.6 (10.5–13.6) 12.8 (11.4–13.8) 11.0 (9.8–12) 0.024
White cell count (cells × 109/L) 10.63 (3.7–28.1) 10.88 (5.1–28.1) 10.26 (3.7–19.6) 0.500d
Neutrophil-lymphocyte ratio 7.1 (1.09–26.81) 6.77 (1.09–22.65) 8.02 (1.11–26.81) 0.901d
Albumin (g/L) 34.9 (17–51) 35.28 (20–48) 33.52 (17–51) 0.283d
C-reactive protein (mg/L) 53.04 (0–547) 46.16 (0–374.7) 63.26 (0–547) 0.252d
  1. BMI Body Mass Index, ASA American Society of Anesthesiologists
  2. a Independent t test, b χ2 test, c Fischer’s exact test, d Mann-Whitney U test