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Table 1 Characteristics and operative variables of patients included in this study who underwent nonpulmonary and pulmonary surgeries

From: Survey of acute exacerbation after nonpulmonary surgery in patients with interstitial pneumonia

Characteristics Nonpulmonary surgeries (n = 220) Pulmonary surgeries (n = 32)
Age (years) 70 [62–77] 61 [43–74.5]
Males 114 (52%) 26 (81.3%)
Body mass index (kg/m2) 21.7 [19.0–23.9] 22.3 [18.2–24.1]
Ever smoker 74 (33.6%) 16 (50%)
Past acute exacerbation 1 (0.5%) 0 (0%)
KL-6 (U/mL) 481 [319–778] 519 [336–789.5]
LDH (U/L) 212 [180–251] 211 [184.5–231.5]
CRP (mg/dL) 0.3 [0.1–1.6] 0.2 [0.1–0.7]
Usual interstitial pneumonia pattern 26 (11.8%) 2 (6.3%)
%VC (%) 84.5 [71.4–95.6] 96.5 [89.2–99.0]
FEV1/FVC (%) 94.8 [91.9–101.5] 96.1 [93.9–100.2]
%DLCO (%) 62.0 [44.1–81.2] 67.3 [62.5–78.5]
ASA-PS (1/2/3/4/missing) 6/119/60/9/23 2/15/10/4/1
Emergency surgery 31 (14.1%) 15 (46.9%)
Duration of anesthesia (min) 209.5 [139.5–349.0] 266 [167.5–381]
Blood loss (mL) 50 [0–214] 19 [0–430]
  1. Continuous variables were presented as medians [interquartile range]. Categorical variables were presented as numbers (percentage). KL-6 Klebs von den Lungen-6, LDH lactate dehydrogenase, CRP C-reactive protein, VC vital capacity, FEV1/FVC forced expiratory volume in 1 s/forced vital capacity, DLCO diffusing capacity for carbon monoxide, ASA-PS American Society of Anesthesiologists Physical Status Classification