Table 2

Change from baseline results of primary and secondary outcomes: intention-to-treat analysis with no imputation

OutcomePlaceboCo-trimoxazoleUnadjustedAdjusted for baseline
NMean (SD/%)NMean (SD/%)p Value95% CIp Value95% CI
FVC (ml)60−195.67 (288.82)63−182.22 (330.15)0.78115.50 (−93.6 to 124.63)0.9880.00 (−0.11 to 0.11)
FVC percent predicted (%)60−4.79 (8.70)63−4.65 (9.96)0.9380·13 (−3·14 to 3·40)0.9780.05 (−3.22 to 3.32)
TLC (ml)45−410.00 (1328.39)44−201.36 (582.69)0.127307.98 (−87.42 to 703.38)0.9430.01 (−0.30 to 0.32)
TLC percent predicted (%)45−5.70 (19.54)44−3.58 (9.87)0.2123.74 (−2.14 to 9.62)0.972−0.08 (−4.73 to 4.57)
Dlco (mmol/min/kPa)50−0.22 (0.81)45−0.30 (0.68)0.429−0.12 (−0.41 to 0.17)0.480−0.11 (−0.40 to 0.19)
Dlco percent predicted (%)50−3.88 (10.75)45−3.67 (8.10)0.812−0.44 (−4.02 to 3.15)0.459−1.34 (−4.88 to 2.21)
SGRQ symptoms (units)530.76 (15.83)53−4.82 (16.37)0.067−5.73 (−11.86 to 0.40)0.009−6.88 (−12.06 to −1.70)
SGRQ activity (units)553.09 (13.27)520.43 (15.10)0.339−2.64 (−8.05 to 2.77)0.484−1.82 (−6.91 to 3.27)
SGRQ impact (units)540.99 (13.88)502.50 (18.68)0.6431.50 (−4.83 to 7.83)0.6901.24 (−4.86 to 7.34)
SGRQ total (units)521.78 (11.59)490.71 (13.96)0.658−1.13 (−6.16 to 3.89)0.599−1.30 (−6.13 to 3.54)
6MWT distance (m)31−19.48 (86.49)20−18.70 (75.39)0.9830.50 (−45.98 to 46.97)0.835−5.16 (−53.55 to 43.24)
6MWT desaturation of ≥4%31/35 (88.6%)16/20 (80.0%)0.3960.52 (0.11 to 2.36)0.6340.87 (−2.37 to 4.10)
EQ5D-based utility73−0.18 (0.31)71−0.17 (0.35)0.8010.01 (−0.09 to 0.12)0.9200.10 (0.01 to 0.20)
MRC score (units)560.21 (0.82)540.07 (0.72)0.319−0.15 (−0.43 to 0.14)0.5330.09 (−0.37 to 0.19)
Hospital days590.81 (1.92)543.06 (12.48)0.3290.64* (0.26 to 1.56)0.3290.64 (0.26 to 1.56)
Death19/86 (22.1%)18/95 (19.0%)0.3790.74* (0.38 to 1.45)
Medicine increase22/65 (33.9%)12/57 (21.1%)0.1220.48 (0.19 to 1.21)
Medicine decrease5/57 (8.8%)7/54 (13.0%)0.5411.47 (0.43 to 5.04)
Oxygen increase11/61 (18.0%)2/55 (3.6%)0.0270.15 (0.03 to 0.80)
Oxygen decrease0/56 (0.0%)0/54 (0.0%)
  • Units are number of patients unless indicated.

  • *HR.

  • Dlco, total lung diffusing capacity of carbon monoxide; EQ5D, EuroQol; FVC, forced expiratory volume; ml, millilitres; MRC score, Medical Research Council Dyspnoea Score; 6MWT, 6-minute walking test; SGRQ, St George's Respiratory Questionnaire; TLC, total lung capacity.