Table 1:

Patient characteristics in the derivation set

VariablesAll patients (n = 139)Complex (n = 29)Non-complex (n = 110)P-value
Age (years)70 (65–76)70.0 (65–74)69.9 (65–76)0.61
Male gender51 (37)17 (59)34 (31)0.006
BMI (kg/m2)26 (23–30)26 (23–29)27 (24–31)0.21
DM15 (11)2 (6.9)13 (12)0.73
CAD15 (11)5 (17)10 (9.1)0.31
CVD9 (6.5)2 (6.9)7 (6.4)1
FEV1 (%)91 (74–102)85 (70–95)92 (74–103)0.21
DLCO%69 (58–81)65 (58–76)70 (58–82)0.31
Side of resection (right)89 (64)21 (72)68 (62)0.39
Site of resection0.15
 Upper88 (63)22 (76)66 (60)
 Middle11 (7.9)011 (10)
 Lower40 (29)7 (24)33 (30)
VariablesAll patients (n = 139)Complex (n = 29)Non-complex (n = 110)P-value
Age (years)70 (65–76)70.0 (65–74)69.9 (65–76)0.61
Male gender51 (37)17 (59)34 (31)0.006
BMI (kg/m2)26 (23–30)26 (23–29)27 (24–31)0.21
DM15 (11)2 (6.9)13 (12)0.73
CAD15 (11)5 (17)10 (9.1)0.31
CVD9 (6.5)2 (6.9)7 (6.4)1
FEV1 (%)91 (74–102)85 (70–95)92 (74–103)0.21
DLCO%69 (58–81)65 (58–76)70 (58–82)0.31
Side of resection (right)89 (64)21 (72)68 (62)0.39
Site of resection0.15
 Upper88 (63)22 (76)66 (60)
 Middle11 (7.9)011 (10)
 Lower40 (29)7 (24)33 (30)

Results are expressed as median and IQR for numeric variables and as count and percentages for categorical ones.

BMI: body mass index; CAD: coronary artery disease; CVD: cerebrovascular disease; DLCO%: carbon monoxide lung diffusion capacity; DM: diabetes mellitus; FEV1: forced expiratory volume in 1 s; IQR: interquartile range.

Table 1:

Patient characteristics in the derivation set

VariablesAll patients (n = 139)Complex (n = 29)Non-complex (n = 110)P-value
Age (years)70 (65–76)70.0 (65–74)69.9 (65–76)0.61
Male gender51 (37)17 (59)34 (31)0.006
BMI (kg/m2)26 (23–30)26 (23–29)27 (24–31)0.21
DM15 (11)2 (6.9)13 (12)0.73
CAD15 (11)5 (17)10 (9.1)0.31
CVD9 (6.5)2 (6.9)7 (6.4)1
FEV1 (%)91 (74–102)85 (70–95)92 (74–103)0.21
DLCO%69 (58–81)65 (58–76)70 (58–82)0.31
Side of resection (right)89 (64)21 (72)68 (62)0.39
Site of resection0.15
 Upper88 (63)22 (76)66 (60)
 Middle11 (7.9)011 (10)
 Lower40 (29)7 (24)33 (30)
VariablesAll patients (n = 139)Complex (n = 29)Non-complex (n = 110)P-value
Age (years)70 (65–76)70.0 (65–74)69.9 (65–76)0.61
Male gender51 (37)17 (59)34 (31)0.006
BMI (kg/m2)26 (23–30)26 (23–29)27 (24–31)0.21
DM15 (11)2 (6.9)13 (12)0.73
CAD15 (11)5 (17)10 (9.1)0.31
CVD9 (6.5)2 (6.9)7 (6.4)1
FEV1 (%)91 (74–102)85 (70–95)92 (74–103)0.21
DLCO%69 (58–81)65 (58–76)70 (58–82)0.31
Side of resection (right)89 (64)21 (72)68 (62)0.39
Site of resection0.15
 Upper88 (63)22 (76)66 (60)
 Middle11 (7.9)011 (10)
 Lower40 (29)7 (24)33 (30)

Results are expressed as median and IQR for numeric variables and as count and percentages for categorical ones.

BMI: body mass index; CAD: coronary artery disease; CVD: cerebrovascular disease; DLCO%: carbon monoxide lung diffusion capacity; DM: diabetes mellitus; FEV1: forced expiratory volume in 1 s; IQR: interquartile range.

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