Table 1 Baseline characteristics of patients randomised to the two groups.

From: Randomised controlled trial of intermittent vs continuous energy restriction during chemotherapy for early breast cancer

 

Intermittent (n = 84)

Continuous (n = 85)

Age at recruitmenta

51.2 (31–71)

52.6 (24–77)

BMI at recruitment (kg/m2)b

28.0 (6.2)

28.2 (6.1)

BMI categoryc

  Healthy weight (19.0–24.9 kg/m2)

31 (36.9%)

29 (34.1%)

  Overweight (25–29.9 kg/m2)

28 (33.3%)

31 (36.5%)

  Obese (≥30 kg/m2)

25 (29.8%)

25 (29.4%)

Charlson Co-morbidity Index scoreb

2.2 (0.4)

2.1 (0.4)

  Score ≤2c

71 (84.5%)

76 (89.4%)

  Score >2c

13 (15.5%)

9 (10.6%)

Current smokerc

6 (7.1%)

3 (3.5%)

Menopausal statusc

  Pre or peri/post

46 (54.8%)/38 (45.2%)

44 (51.8%)/41 (48.2%)

  First-degree relative with BCc

20 (23.8%)

17 (20%)

  Screen detected BCc

21 (25.0%)

20 (23.5%)

  Days between final breast surgery and randomisationd

35 (9–72)

34 (18–174)

Tumour type and gradec

  

  Grade 3 carcinoma

54 (64.3%)

44 (51.8%)

  Oestrogen receptor positive

59 (70.2%)

54 (63.5%)

  HER2 receptor positive

19 (22.6%)

29 (34.1)

  Triple negative

16 (19%)

16 (18.8%)

Surgery typec

  Mastectomy

35 (41.7%)

36 (42.4%)

  Axillary node clearance

39 (46.4%)

39 (45.9%)

Chemotherapy regimenc

  Adjuvant/neoadjuvant

79/5 (94%/6%)

79/6 (94%/6%)

  F(EC) and docetaxel/paclitaxel

81 (96.4%)

76 (89.4%)

  Other, e.g. carboplatin or cyclophosphamide and docetaxel

3 (3.6%)

9 (10.6%)

  Prophylactic G-CSF treatmente

84 (100%)

85 (100%)

  Number of chemotherapy cycles

6 (4–10)

6 (4–8)

Ethnicityc

  White—all types

79 (94.0%)

78 (91.8%)

  Other

5 (6.0%)

7 (8.2%)

Social circumstancec

  Married or co-habiting

64 (76.2%)

62 (72.9%)

  Children living at home

45 (53.6%)

42 (49.4%)

Educationc

  Educated to degree level or above

27 (32.1%)

27 (31.7%)

Employment

  Full- or part-time employment

58 (69.0%)

63 (74.1 %)

  Retired or unemployed

26 (31.0%)

21 (24.7%)

Index of multiple deprivationc,f

England quintiles

  1 (least deprived)

19 (22.6%)

17 (20.0%)

  2

23 (27.4%)

23 (27.1%)

  3

14 (16.7%)

16 (18.8%)

  4

13 (15.5%)

13 (15.3%)

  5 (most deprived)

15 (17.9%)

16 (18.8%)

  1. Dexamethasone schedules: Docetaxal 8 mg b.d. for 3 days starting the day before chemotherapy.
  2. Paclitaxel 8 mg i.v. pre-cycle 1 day 1 and 4 mg pre-cycle 1 day 8 only.
  3. aMean (range).
  4. bMean (SD).
  5. cN (% of group).
  6. dMedian (range).
  7. eProphylactic G-CSF was not given with paclitaxel.
  8. fIndices of Deprivation 2007 Layer Super Output Area Scores were identified from participant postcodes via Geoconvert10.