Table 3.
Number of PPCs and Clinical Outcomes
| Variable | All Patients (N = 1202) |
Hospital | ICU | 7-d Mortality (n = 9) |
||
|---|---|---|---|---|---|---|
| Patients, No. (%) (n = 1179) |
LOS, Median (IQR), d |
Patients, No. (%) (n = 270) |
LOS, Median (IQR), d |
|||
| No. of PPCs | ||||||
| 0 | 801 (66.6) | 781 (97.5) | 3 (2–6) | 133 (16.6) | 1 (1–2) | 0 (0) |
| 1 | 231 (19.2) | 228 (98.7) | 5 (4–8) | 57 (24.7) | 2 (1–4) | 0 (0) |
| 2 | 91 (7.6) | 91 (100.0) | 8 (5–14) | 35 (38.5) | 3 (1–6) | 3 (3.3) |
| 3 | 58 (4.8) | 58 (100.0) | 9 (5–15) | 32 (55.2) | 4 (2–7) | 4 (6.9) |
| 4 | 17 (1.4) | 17 (100.0) | 8 (7–18) | 9 (52.9) | 7 (6–15) | 2 (11.8) |
| 5 | 2 (0.2) | 2 (100.0) | 22 (21–22) | 2 (100.0) | 14 (9–18) | 0 (0) |
| 6 | 2 (0.2) | 2 (100.0) | 25 (24–26) | 2 (100.0) | 9 (6–11) | 0 (0) |
| At least 1 PPC | 401 (33.4) | 398 (99.3)a | 6 (4–11)b | 137 (34.2)b | 3 (2–6)b | 9 (2.3)b |
| RR or MDiff (95% CI), (≥1PPCvs0PPCs) |
NA | 1.02 (1.00–1.03) | 3.0 (2.0–5.3) | 2.1 (1.7–2.5) | 2.0 (0.7–3.0) | NDc |
Abbreviations: ICU, intensive care unit; IQR, interquartile range; LOS, length of stay; MDiff, median difference; NA, not available; ND, not defined; PPC, postoperative pulmonary complication; RR, relative risk.
a
P < .05 in patients with at least 1 PPC vs 0 PPCs.
b
P < .001 in patients with at least 1 PPC vs 0 PPCs.
c
RR or MDiff (95% CI) calculated as not defined or not calculated.