Table 2.

Relationship of PMA and demographic variables

WomenMen
PMA (cm2)PPMA (cm2)P
Total:26.2 (±7.9)37 (±10.2)
Age: (change per year)−0.2350.047−0.3210.001
Smoking
 Never27.3 (±7.3)39.1 (±13.1)
 Former26.3 (±7.8)36.9 (±9.4)
 Current25.5 (±8.3)0.70738.5 (±10.8)0.651
Chronic bronchitis
 No25.9 (±8.1)31.5 (±10.9)
 Yes27.8 (±8.0)0.33431.9 (±9.8)0.731
Emphysema
 No26.7 (±8.2)31.8 (±10.9)
 Yes22.7 (±5.8)0.05030.4 (10.1)0.416
Histology:
 Adenocarcinoma26.3 (±7.3)39.1 (±11.3)
 Squamous cell24.9 (±6.1)36.2 (±7.6)
 Large cell26.6 (±12.7)32.1 (±10.2)
 NSCLC (NOS/mixed)26.1 (±8.0)0.95536.1 (±8.6)0.243
Stage
 I26.0 (±6.6)34.2 (±8.4)
 II26.7 (±8.0)39.9 (±10.5)
 III27.3 (±7.2)39.3 (±7.0)
 IV25.6 (±8.9)0.78837.7 (±11.8)0.341
ECOG performance
 Status 0–226.2 (±7.9)37.7 (±10.0)
 Status 3–427.0 (±9.2)0.81138.1 (±15.2)0.927
BMI (change per unit)0.603<0.0000.874<0.001
  • NOTE: All data presented as mean ± SD with the exception of age and BMI.

  • Abbreviation: NOS, not otherwise specified.