Table 1.
Patient Demographics for Staphylococcus aureus–Related Hospitalizations, 2014
| Overall | Septicemiaa | Pneumoniab | Unspecifiedc | |||||
|---|---|---|---|---|---|---|---|---|
| MRSA | MSSA | MRSA | MSSA | MRSA | MSSA | MRSA | MSSA | |
| Total No. | 358140 | 257930 | 54255 | 57065 | 48780 | 25020 | 255105 | 175845 |
| Median age, y (IQR) | 59 (43–74) | 57 (42–70) | 63 (50–75) | 61 (48–72) | 67 (54–79) | 60 (45–72) | 57 (40–72) | 55 (40–68) |
| Race | ||||||||
| White | 245615 (71.7) | 171735 (70.7) | 35165 (68.0) | 37200 (69.7) | 35785 (76.7) | 17130 (73.3) | 174665 (71.5) | 117405 (70.7) |
| Black | 49495 (14.4) | 31370 (12.9) | 9435 (18.3) | 7895 (14.8) | 5705 (12.2) | 2640 (11.3) | 34355 (14.1) | 20835 (12.5) |
| Hispanic | 30925 (9.0) | 25710 (10.6) | 4535 (8.8) | 5205 (9.8) | 2945 (6.3) | 2125 (9.1) | 23445 (9.6) | 18380 (11.1) |
| Other | 16430 (4.8) | 14125 (5.8) | 2540 (4.9) | 3110 (5.8) | 2205 (4.7) | 1490 (6.4) | 11685 (4.8) | 9525 (5.7) |
| Sex | ||||||||
| Male | 194750 (54.4) | 152105 (59.0) | 31175 (57.5) | 34250 (60.0) | 25880 (53.1) | 14845 (59.4) | 137695 (54.0) | 103010 (58.6) |
| Female | 163305 (45.6) | 105775 (41.0) | 23065 (42.5) | 22810 (40.0) | 22895 (46.9) | 10165 (40.6) | 117345 (46.0) | 72800 (41.4) |
| Region | ||||||||
| Northeast | 57595 (16.1) | 48920 (19.0) | 8800 (16.2) | 11230 (19.7) | 7190 (14.7) | 4125 (16.5) | 41605 (16.3) | 33565 (19.1) |
| Midwest | 76900 (21.5) | 59255 (23.0) | 11255 (20.7) | 12745 (22.3) | 10470 (21.5) | 5440 (21.7) | 55175 (21.6) | 41070 (23.4) |
| South | 158925 (44.4) | 93550 (36.3) | 23275 (42.9) | 19575 (34.3) | 22425 (46.0) | 9645 (38.6) | 113225 (44.4) | 64330 (36.6) |
| West | 64720 (18.1) | 56205 (21.8) | 10925 (20.1) | 13515 (23.7) | 8695 (17.8) | 5810 (23.2) | 45100 (17.7) | 36880 (21.0) |
| Primary diagnosis of Staphylococcus aureus infection | 48485 (13.5) | 38435 (14.9) | 34410 (63.4) | 33840 (59.3) | 13725 (28.1) | 4530 (18.1) | 350 (0.1) | 65 (0.0) |
| Median LOS, d (IQR) | 6 (4–11) | 7 (4–12) | 10 (6–17) | 9 (6–15) | 10 (6–18) | 12 (7–20) | 5 (3–9) | 6 (3–9) |
| Mean Charlson Score (SD) | 2.30 (2.26) | 2.21 (2.27) | 2.98 (2.38) | 2.92 (2.40) | 2.82 (2.26) | 2.49 (2.33) | 2.06 (2.18) | 1.94 (2.15) |
| Severity (SD) | 2.75 (0.98) | 2.80 (0.95) | 3.48 (0.67) | 3.43 (0.67) | 3.57 (0.67) | 3.70 (0.59) | 2.43 (0.91) | 2.47 (0.89) |
| Risk mortality (SD) | 2.35 (1.10) | 2.35 (1.11) | 3.28 (0.86) | 3.20 (0.86) | 3.28 (0.83) | 3.39 (0.80) | 1.97 (0.96) | 1.92 (0.95) |
| Mean no. of procedures performed (SD) | 2.55 (2.99) | 3.01 (3.18) | 3.93 (3.58) | 3.92 (3.53) | 3.70 (3.82) | 4.90 (4.21) | 2.03 (2.47) | 2.45 (2.68) |
| Mean no. of diagnoses (SD) | 15.45 (7.14) | 15.30 (6.93) | 19.02 (6.23) | 18.50 (6.13) | 18.54 (6.16) | 18.35 (6.24) | 14.10 (7.04) | 13.82 (6.78) |
| Died | 16485 (4.6) | 11305 (4.4) | 6685 (12.3) | 5955 (10.4) | 5760 (11.8) | 3030 (12.1) | 4040 (1.6) | 2320 (1.3) |
Data are no. (%) unless otherwise indicated.
Abbreviations: IQR, interquartile range; LOS, length of stay; MRSA, methicillin-resistant Staphylococcus aureus; MSSA, methicillin-susceptible Staphylococcus aureus; SD, standard deviation.
a International Classification of Diseases, Ninth Revision, Clinical Modification (ICD-9) codes 038.11 and 038.12.
b ICD-9 codes 482.41 and 482.42.
c ICD-9 codes 041.11 and 041.12.