Table 3 Length of stay by concomitant interstitial lung disease and demographic factors
Unadjusted | Adjusted | |||||
|---|---|---|---|---|---|---|
ILD: Yes | ILD: No | Ratio (95% CI) | p | Ratio (95% CI) | p | |
Length of stay, days | 5.16 | 4.38 | 1.18 (1.06–1.31) | 0.002 | 1.15 (1.04–1.28) | 0.008 |
By age | Varied, see Fig. 2 | < 0.001 | Varied, see Fig. 2 | < 0.001 | ||
By biological sex | 0.121 | 0.047 | ||||
Female | 5.06 | 4.42 | 1.14 (1.03–1.27) | 0.009 | 1.11 (1.01–1.23) | 0.038 |
Male | 5.51 | 4.20 | 1.31 (1.08–1.60) | 0.006 | 1.33 (1.09–1.63) | 0.006 |
By race | 0.322 | 0.278 | ||||
White | 5.00 | 4.10 | 1.22 (1.05–1.42) | 0.010 | 1.20 (1.03–1.39) | 0.020 |
Black | 5.77 | 5.06 | 1.14 (1.01–1.29) | 0.041 | 1.12 (0.98–1.27) | 0.097 |
Hispanic | 5.11 | 4.39 | 1.16 (1.05–1.29) | 0.004 | 1.18 (1.06–1.31) | 0.003 |
Other | 4.35 | 4.87 | 0.89 (0.66–1.21) | 0.461 | 0.88 (0.66–1.18) | 0.417 |
Income quartile | 0.210 | 0.243 | ||||
I | 5.31 | 4.73 | 1.12 (1.00-1.25) | 0.042 | 1.08 (0.96–1.20) | 0.197 |
II | 5.39 | 4.43 | 1.22 (1.09–1.36) | 0.001 | 1.19 (1.06–1.33) | 0.002 |
III | 5.17 | 4.89 | 1.06 (0.94–1.18) | 0.333 | 1.05 (0.94–1.17) | 0.417 |
IV | 4.84 | 3.65 | 1.33 (0.98–1.80) | 0.071 | 1.31 (0.97–1.78) | 0.079 |
By facility type | 0.165 | 0.188 | ||||
Rural | 3.23 | 3.27 | 1.01 (0.77–1.33) | 0.915 | 1.00 (0.76–1.31) | 0.988 |
Urban nonteaching | 4.19 | 4.15 | 1.01 (0.83–1.23) | 0.907 | 1.01 (0.83–1.23) | 0.905 |
Urban teaching | 5.66 | 4.59 | 1.23 (1.08–1.40) | 0.002 | 1.22 (1.07–1.39) | 0.003 |