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. 2018 Apr;10(4):2240–2248. doi: 10.21037/jtd.2018.03.161

Table 1. Patients’ characteristics according to prehabilitation group.

Variable All No Yes P value
Patients (n)a 34 15 19
Age (years)b 66 [58–72] 69 [56–73] 65 [59–71] 0.6143
Gender (n)a 0.4620
   Male 25 (73.5%) 10 (66.6%) 15 (78.9%)
   Female 9 (26.4%) 5 (33.4%) 4 (21.1%)
Tobacco (n)a 33 (97%) 15 (100%) 18 (95%)
Pack-years (n)b 40 [30–52] 40 [30–52] 43 [30–56] 0.7304
BMI (kg/m2) b 25.9 [23.4–30] 25.0 [22.5–30] 26.6 [23.7–30.4] 0.8351
COPD (n)a 0.7379
   No 15 6 (40%) 9 (47.3%)
   Yes 19 9 (60%) 10 (52.7%)
High blood pressure (n)a 0.4888
   No 15 8 (53.3%) 7 (36.8%)
   Yes 19 7 (46.7%) 12 (63.2%)
PAOD (n)a 1
   No 27 12 (80%) 15 (78.9%)
   Yes 7 3 (20%) 4 (21.1%)
Hypercholesterolemia (n)a 1
   No 29 13 (86.7%) 16 (84.2%)
   Yes 5 2 (13.3) 3 (15.8%)
Diabetes (n)a 1
   No 27 12 (80%) 15 (78.9%)
   Yes 7 3 (20%) 4 (21.1%)
VO2max (mL/min/kg)b 15.4 [13.8–17.1] 15.8 [14.6–18.4] 14.8 [13.2–16.5] 0.1313
FEV1 (%)b 61 [58–67] 61 [58–71] 61 [54–67] 0.9307
FEV1/FVC (%)b 66 [59–70] 66 [59–70] 67 [59–71] 0.9584
Anesthesia score risk (n)a 0.1319
   2 7 (20.6%) 3 (20%) 4 (21.1%)
   3 26 (76.5%) 11 (73.3%) 15 (78.9%)
   4 1 (2.9%) 1 (6.7%)

a, data expressed as n or n (%); b, data expressed as median (Q1–Q3); BMI, body mass index; COPD, chronic obstructive pulmonary disease; PAOD, peripheral arterial obstructive disease; FEV1, forced expiratory volume in one second; FEV1/FVC, Tiffeneau-Pinelli index.