Table 3

Relative hazards (RH) (risk for death) and 3 year survival in patients treated for NSCLC between 1995 and 1999 (n = 466)

UnivariateMultivariate
No (%) of patientsPercentage 3 year survival (95% CI)RH(95% CI)RH(95% CI)
*Associated with an increase by one unit in the logarithm of age in years.
†With or without other treatment.
‡Missing (n = 53).
§Associated with an increase by one unit in the logarithm of delay per month.
¶Missing (n = 112).
Sex
    Male268 (58)32 (26 to 39)1.0Reference1.0Reference
    Female198 (42)31 (25 to 36)1.0(0.8 to 1.2)1.1(0.9 to 1.3)
Age
    <70 years307 (66)31 (26 to 37)1.0Reference1.0Reference
    ⩾70 years159 (34)31 (24 to 39)1.0(0.8 to 1.2)1.3(1.1 to 1.5)
    Logarithmic (per year)*1.3(0.6 to 2.1)2.6(1.9 to 3.3)
Squamous cell cancer
    No314 (67)27 (22 to 32)1.0Reference1.0Reference
    Yes152 (24)39 (32 to 48)0.7(0.4 to 0.9)0.8(0.6 to 1.1)
Stage
    I–II143 (31)69 (61 to 76)1.0Reference1.0Reference
    IIIA37 (8)41 (25 to 56)3.0(0.8 to 5.1)1.9(1.4 to 2.4)
    IIIB157 (34)16 (10 to 22)5.4(2.1 to 8.7)2.7(2.3 to 3.1)
    IV129 (28)6 (2 to 10)9.6(5.2 to 14.1)4.5(4.1 to 4.9)
Surgical treatment
    No315 (68)14 (10 to 17)1.0Reference1.0Reference
    Yes†151 (33)69 (61 to 76)0.2(0.02 to 0.5)0.5(0.1 to 0.8)
Hospital delay‡
    <1 month112 (27)19 (12 to 28)1.0Reference1.0Reference
    1–2 months155 (38)34 (26 to 41)0.8(0.5 to 1.0)1.0(0.8 to 1.3)
    2–3 months78 (19)36 (25 to 46)0.7(0.4 to 0.9)0.9(0.6 to 1.3)
    >3 months68 (16)43 (31 to 55)0.6(0.3 to 0.9)0.8(0.6 to 1.2)
    Logarithmic (per month)§0.75(0.6 to 0.8)0.98(0.8 to 1.1)
Symptom to treatment delay¶
    <3 months93 (26)11 (5 to 17)1.0Reference1.0Reference
    3–6 months139 (39)31 (23 to 39)1.0(0.7 to 1.2)0.9(0.7 to 1.2)
    >6 months122 (35)35 (26 to 43)0.9(0.6 to 1.1)0.8(0.6 to 1.1)
    Logarithmic (per month)0.65(0.4 to 0.8)0.80(0.6 to 1.0)