Table 1

Characteristics of the 22 patients, changes in indices of efficacy from day 1 to day 14 in the two groups, and comparison of the improvement between the groups

Group A (n=10)Group B (n=12)Group A v B p value3-150
Day 1Day 14Difference between day 14 and day 1p valueDay 1Day 14Difference between day 14 and day 1p value
W/H (%)96.4 (11.6)100.4 (11.5)3.96 (2.63)<0.00193.2 (11.7)96.3 (15)3.14 (4.35)<0.0020.6
Prealb (mg/l)194 (70)260 (54)65.8 (67)<0.05170 (45)233 (60)63.4 (51.4)<0.0020.09
WBC (×109/l)11.3 (4.9)7.9 (2.5)3.44 (3.84)<0.0510.2 (4.4)6.4 (1.4)3.81 (3.38)<0.0040.8
PMN (×109/l)7.3 (3.9)4.2 (2.0)3.05 (3.38)<0.056.5 (3.6)3.3 (1)3.18 (3.10)<0.010.9
FVC (%)61 (18)75 (28)13.8 (15)<0.0572 (21)83 (20)10.5 (13)<0.050.6
FEV1 (%)50 (19)65 (29)14.9 (16)<0.0561 (22)75 (22)14 (15.3)<0.050.9
FEF 25–75 (%)32 (16)45 (27)12.9 (14.8)<0.0538 (21)59 (22)21 (22)<0.020.3
HR (beats/min)100 (14)86 (7)−14 (9)<0.00191 (15)77 (12)−14 (19)<0.050.9
RR (breaths/min)30 (7)24 (4)−6 (4)<0.00333 (16)21 (5)−12 (14)<0.050.2
  • Group A, thrice daily infusions of tobramycin; group B, once daily infusions of tobramycin. Values are mean (SD).

  • 3-150 Comparison of improvements between groups A and B.

  • FEF 25–75, forced expiratory flow between 25% and 75% of forced vital capacity; FEV1, forced expiratory volume in one second; FVC, forced vital capacity; HR, heart rate; PMN, polymorphonuclear neutrophil cells; Prealb, prealbumin; RR, respiratory rate; WBC, white blood cells; W/H, weight/height ratio; %, per cent of predicted values.