Table 3

Observational study characteristics

Study

Number of patients

Mean age (years)

Outcome measurea

CYC treatment

Corticosteroid

Length of follow-up (months)


Airò and colleagues [15]

13

48

FVC, 74

Intravenous, 750 mg/m2 every 3 weeks

Methylprednisolone 125 mg every 3 weeks

18

DLCO, 41

Beretta and colleagues [14]

33

49.7 ± 10.4

DLCO, 48.8 ± 13.5

Oral, 2 mg/kg/day

Prednisone 25 mg/day in the first 3 months, 5 mg for 9 months

12

Davas and colleagues, pulse CYC [12]

8

NA

FVC, 86.1

Intravenous, 750 mg/m2 monthly

Prednisone 10 mg/day

12

DLCO, 60

Davas and colleagues, oral CYC [12]

8

NA

FVC, 73.2

Oral, 2 to 2.5 mg/kg/day

Prednisone 10 mg/day

12

DLCO, 59.9

Pakas and colleagues, low-dose prednisone cohort [16]

12

48.6 ± 12.3

FVC, 54.8

Intravenous, 900 mg/kg (mean value)

Prednisone low dose, <10 mg/day

12

DLCO, 38.2

Pakas and colleagues, high-dose prednisone cohort [16]

16

48.6 ± 12.3

FVC, 57.5

Intravenous, 900 mg/kg (mean value)

Prednisone: high dose, 1 mg/kg/day for 4 weeks

12

DLCO, 48.3

Silver and colleagues [17]

14

46.4 ± 2.4

FVC, 51.4 ± 2.5

Oral, 1 to 2 mg/kg/day

Prednisone 7.7 ± 1.2 mg/day (in 10 patients)

24

DLCO, 54.5 ± 7.4

Valentini and colleagues [18]

13

37.4

DLCO, 58.5

Intravenous, 500 mg/m2 on day 1, day 8 and day 15, and every 4 weeks

Low dose corticosteroids (dose not specified)

12


Data presented as mean ± standard deviation. AZA, azathioprine; CYC, cyclophosphamide; DLCO, diffusing capacity for carbon monoxide; FVC, forced vital capacity; NA, not available. aPercentage predicted value at baseline.

Nannini et al. Arthritis Research & Therapy 2008 10:R124   doi:10.1186/ar2534

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