Table 1.
Comparison of demographics and clinical data between DNR and non-DNR groups at 30 days after surgery
| Item | DNR(n = 26) | Non-DNR(n = 128) | P value |
|---|---|---|---|
| Age (years) | 68(65.75–70.25) | 67(65–70) | 0.904 |
| Sex (Male/Female) | 11/15 | 57/71 | 0.835 |
| Body mass index, kg/m2 | 23.25 ± 3.07 | 24.61 ± 3.28 | 0.863 |
| Education(years) | 9(8–12) | 9(7–12) | 0.897 |
| Smoking | 10(38.46%) | 46(36.72%) | 0.867 |
| ASA status | 0.704 | ||
| I | 0 | 2(1.56%) | |
| II | 23(88.46%) | 103(80.47%) | |
| III | 3(11.54%) | 23(19.53%) | |
| Medical history | |||
| Hypertension | 12(46.15%) | 71(55.47%) | 0.385 |
| Diabetes mellitus | 9(34.62%) | 21(16.41%) | 0.033* |
| Hyperlipidemia | 2(7.69%) | 11(8.59%) | 1.000 |
| History of cerebrovascular accident | 8(30.77%) | 10(7.81%) | 0.003* |
| Coronary artery disease | 5(19.23%) | 22(17.19%) | 1.000 |
| previous major surgery history | 7(26.92%) | 12(9.38%) | 0.031* |
| Preoperative pulmonary infection | 5(19.23%) | 33(25.78%) | 0.480 |
| Malignant/benign disease | 21(80.77%) | 116(90.63%) | 0.263 |
| Surgical data | |||
| Surgical approach | 0.87 | ||
| Open surgery | 3(11.53%) | 17(13.28%) | |
| Thoracoscopic surgery | 26(89.66%) | 108(86.4%) | |
| Resection range | 0.532 | ||
| Non-anatomic wedge resection | 0 | 6(4.69%) | |
| Segmentectomy | 6(23.08%) | 17(13.28%) | |
| Sublobar resections | 7(26.92%) | 37(28.91%) | |
| Lobectomy | 10(38.46%) | 53(41.41%) | |
| Pulmonary bilobectomy | 3(11.54%) | 13(10.16%) | |
| Anesthesia time(min) | 189(152–245) | 184(152–230) | 0.931 |
| Operation time(min) | 118(83–184) | 122(89–160) | 0.944 |
| Urine(ml) | 200(100–400) | 200(100–325) | 0.336 |
| Blood loss (ml) | 50(20–100) | 50(20–100) | 0.669 |
| Chest tube duration | 3(3–4) | 4(3–5) | 0.189 |
| Paravertebral block with catheter use | 8(30.77%) | 39(30.47%) | 0.976 |
Abbreviations: ASA American Society of Anesthesiologists, BMI Body mass index, DNR Delayed Neurocognitive Recovery, NRS Numeric Rating Scales
Continuous variables are presented as median [IQR] or mean ± SD, and categorical variables as count (%).
*P < 0.05.