| All | Responders | Non-responders |  |
---|---|---|---|---|
n = 33 | n = 10 | n = 23 | p | |
Age | 60.0 (13.6) | 58.4 (16.2) | 60.7 (12.7) | 0.70 |
Sex | ||||
 Male | 15 (45 %) | 4 (40 %) | 11 (48 %) | 0.97 |
 Female | 18 (55 %) | 6 (60 %) | 12 (52 %) |  |
Weight (kg) | 72.1 (12.9) | 75.0 (14.1) | 70.9 (12.4) | 0.44 |
APACHE II score | 19.9 (6.9) | 19.0 (5.8) | 20.4 (7.5) | 0.58 |
Died in hospital | ||||
 Yes | 16 (48 %) | 7 (70 %) | 9 (39 %) | 0.21 |
 No | 17 (52 %) | 3 (30 %) | 14 (61 %) |  |
Admission to PLR (h) | 26 [18, 52] | 38 [21,102] | 26 [16, 42] | 0.25 |
Arrhythmia | ||||
 Present | 3/32 (9 %) | 1/9 (11 %) | 2/23 (9 %) | 1.00 |
 Absent | 29/32 (91 %) | 8/9 (89 %) | 21/23 (91 %) |  |
Tidal volume (ml) | 510 [463, 563] | 540 [473, 660] | 491 [460, 549] | 0.39 |
Plateau pressure (cmH2O) | 26.6 (7.1) | 26.4 (5.5) | 26.7 (7.7) | 0.90 |
PEEP (cmH2O) | 8.5 (2.5) | 8.9 (2.8) | 8.4 (2.4) | 0.60 |
Respiratory rate (/min) | 16.8 (4.2) | 15.5 (2.4) | 17.3 (4.7) | 0.15 |
Spontaneous breathing | ||||
 Yes | 6/30 (20 %) | 2/9 (22 %) | 4/21 (19 %) | 1.00 |
 No | 24/30 (80 %) | 7/9 (78 %) | 17/21 (81 %) |  |
Arterial line site: | ||||
Femoral | 4 (12Â %) | 1 (10Â %) | 3 (13Â %) | 1.00 |
Other (radial and brachial) | 29 (88Â %) | 9 (90Â %) | 20 (87Â %) | Â |
Diagnostic groups: | ||||
Septic shock | 27 (82Â %) | 7 (70Â %) | 20 (87Â %) | 0.34 |
 – Endocarditis | 1 (3 %) | 0 (0 %) | 1 (4 %) | – |
 – Occult | 7 (21 %) | 2 (20 %) | 5 (22 %) | – |
 – Peritonitis | 8 (24 %) | 2 (20 %) | 6 (26 %) | – |
 – Pneumonia | 11 (33 %) | 3 (30 %) | 8 (35 %) | – |
SIRS | 6 (18 %) | 3 (30 %) | 3 (13 %) | – |
 – Ischaemic bowel | 2 (6 %) | 1 (10 %) | 1 (4 %) | – |
 – Occult | 1 (3 %) | 0 | 1 (4 %) | – |
 – Pancreatico-duodenectomy | 1 (3 %) | 0 | 1 (4 %) | – |
 – Pancreatitis | 2 (6 %) | 2 (20 %) | 0 | – |