Table 2.
Morphometric variables
| Panel a | Reference cohort | ||
|---|---|---|---|
| Morphometric variables | Total | Male | Female |
| Patients (N) | 136 | 76 | 60 |
| Body height (cm) | 170 (165–178) | 176 (170–182) | 167 (163–170) |
| PMA (mm2) | 780.3 (606.1–965.3) | 881.6 (708.4–1024.9) | 683.7 (534.1–831.3) |
| PMAI (mm2/m2) | 268.4 (207.2–321.8) | 291.1 (224.8–328.4) | 260.6 (191.5–297.8) |
| PMT (mm) | 31.5 (27.8–35.0) | 33.5 (30.0–36.0) | 29.5 (26.0–32.5) |
| PMTI (mm/m) | 18.4 (16.2–20.2) | 19.2 (16.9–20.4) | 18.2 (15.6–19.4) |
| TMT (mm) (no compression) | 35.8 (28.5–45.0) | 37.0 (28.8–46.5) | 33.8 (27.5–43.3) |
| TMTI (mm/m) (no compression) | 21.0 (16.9–26.1) | 21.2 (16.8–25.6) | 20.4 (16.9–26.2) |
| cTMT (mm) (compression) | 15.8 (11.5–20.8) | 16.3 (12.0–21.3) | 15.0 (11.0–20.0) |
| cTMTI (mm/m) (compression) | 9.2 (6.8–12.0) | 9.4 (6.8–12.2) | 8.9 (6.8–12.0) |
| Panel b | COVID‐19 Cohort I | ||
|---|---|---|---|
| Morphometric variables | Total | Male | Female |
| Patients (N) | 58 | 31 | 27 |
| Body height (cm) | 170 (165–176) | 176 (173–180) | 166 (160–170) |
| PMA (mm2) | 719.0 (497.9–1018.7) | 730.8 (573.3–1114.1) | 702.2 (436.0–974.7) |
| PMAI (mm2/m2) | 240.4 (176.4–331.7) | 246.9 (197.6–330.0) | 224.1 (155.8–367.1) |
| PMT (mm) | 30.2 (25.0–36.0) | 30.5 (27.0–37.5) | 29.9 (23.6–35.0) |
| PMTI (mm/m) | 17.5 (14.9–20.5) | 17.7 (15.6–20.5) | 16.9 (14.0–21.5) |
| TMT (mm) (no compression) | 25.3 (19.5–33.0) | 25.0 (18.5–32.5) | 25.5 (20.0–37.0) |
| TMTI (mm/m) (no compression) | 15.1 (11.5–20.6) | 14.2 (10.6–18.6) | 15.8 (12.2–21.7) |
| cTMT (mm) (compression) | 11.8 (9.0–15.7) | 10.5 (9.0–15.0) | 13.0 (9.0–17.0) |
| cTMTI (mm/m) (compression) | 6.8 (5.1–9.6) | 6.2 (5.0–8.8) | 7.8 (5.9–9.8) |
| Panel c | COVID‐19 cohort II | ||
|---|---|---|---|
| Morphometric variables | Total | Male | Female |
| Patients (N) | 55 | 38 | 17 |
| Body height (cm) | 175 (166–188) | 176 (173–180) | 165 (160–170) |
| PMA (mm2) | 788.9 (573.3–1,125‐5) | 913.0 (594.2–1164.4) | 683.7 (510.9–962.9) |
| PMAI (mm2/m2) | 258.3 (194.0–373‐9) | 289.2 (195.5–373.9) | 251.5 (176.8–353.7) |
| PMT (mm) | 31.5 (27.0–37.5) | 34.0 (27.5–38.5) | 29.5 (25.5–35.0) |
| PMTI (mm/m) | 18.13 (15.7–21.8) | 19.0 (15.8–21.8) | 17.8 (15.0–21.2) |
| TMT (mm) (no compression) | 24.0 (10.4–31.0) | 23.5 (20.5–31.5) | 24.0 (20.5–28.0) |
| TMTI (mm/m) (no compression) | 14.4 (11.2–18.0) | 13.6 (10.2–18.0) | 15.4 (11.5–16.5) |
| cTMT (mm) (compression) | 12.0 (8.5–16.0) | 12.5 (8.5–15.0) | 11.0 (9.0–16.0) |
| cTMTI (mm/m) (compression) | 6.8 (5.0–9.2) | 6.9 (4.8–8.6) | 6.5 (5.6–9.4) |
| Panel d | Combined COVID‐19 Cohorts I + II | ||
|---|---|---|---|
| Morphometric variables | Total | Male | Female |
| Patients (N) | 113 | 69 | 44 |
| Body height (cm) | 172 (166–180) | 176 (173–180) | 165 (160–170) |
| PMA (mm2) | 730.8 (5,435–1078.4) | 744.2 (575.7–1114.1) | 688.4 (472.9–968.8) |
| PMAI (mm2/m2) | 251.5 (190.1–353‐7) | 259.9 (196.3–341.6) | 238.9 (172.7–361.5) |
| PMT (mm) | 30.5 (26.2–37.0) | 32.0 (27.5–37.9) | 29.5 (24.4–35.0) |
| PMTI (mm/m) | 17.7 (15.6–21.1) | 18.2 (15.8–20.8) | 17.3 (14.8–21.4) |
| TMT (mm) (no compression) | 24.5 (20.0–32.0) | 24.0 (19.5–31.5) | 24.8 (20.3–32.3) |
| TMTI (mm/m) (no compression) | 14.6 (11.5–19.2) | 13.8 (10.9–18.0) | 15.5 (11.9–20.3) |
| cTMT (mm) (compression) | 12.0 (9.0–16.0) | 11.5 (9.0–15.0) | 12.3 (9.0–16.5) |
| cTMTI (mm/m) (compression) | 6.8 (5.1–9.4) | 6.7 (5.0–7.1) | 7.5 (5.7–9.8) |
BMI; body mass index; cTMTI, compressed tight muscles thickness index; PMA, psoas muscle area; PMAI, psoas muscle area index; PMTI, psoas muscle thickness index; TMT, tight muscles thickness. Patient characteristics are presented as median (interquartile range) or number (%).