Table 2 Survival by performance status (NSCLC and SCLC) assessed by (a) patienta and (b) oncologistb

From: Performance status score: do patients and their oncologists agree?

Score

Median survival (months)

Cumulative survival (95% CI) at 1 year

(a) Patient

 0

12.9

52% (31, 73)

 1

11.3

40% (25, 55)

 2

6.5

17% (2, 33)

 3–4

2.2

14% (0, 32)

(b) Doctor

 0

18.9

67% (44, 88)

 1

8.2

41% (26, 57)

 2

6.5

17% (2, 35)

 3–4

2.1

17% (0, 38)

  1. In both cases, performance status correlated with survival (P0.001). This is represented graphically in Figures 3 and 4. NSCLC=non-small-cell lung cancer; SCLC=small-cell lung cancer; CI=confidence interval.
  2. aLog rank test P=0.001.
  3. bLog rank test P<0.001.