Table 1.
Characteristics of persons (n=253) at study entry
| Total persons | Persons with chest illnesses | Number of illnesses | Persons without chest illnesses | |
|---|---|---|---|---|
| n=253 | n=60h | n=193 | ||
| Age, years, mean (SD) | 53.1 (13.7) | 54.5 (13.0) | 52.7 (13.8) | |
| Injury duration, median (25th, 75th percentile) | 13.8 (6.0, 25.2) | 14.1 (6.8, 25.3) | 13.7 (6.0, 25.1) | |
| Sexa | ||||
| Male | 208 (82) | 43 (72) | 73 | 165 (86) |
| Female | 45 (18) | 17 (28) | 33 | 28 (15) |
| Racea | ||||
| White | 218 (86) | 52 (87) | 93 | 166 (86) |
| Black | 24 (10) | 7 (12) | 12 | 17 (9) |
| Otherb | 11 (4) | 1 (2) | 1 | 10 (5) |
| Vitamin D, in categories (ng/ml)a | ||||
| <20 (deficient) | 64 (25) | 15 (25) | 23 | 49 (25) |
| 20 – <30 (insufficient) | 131 (52) | 29 (48) | 59 | 102 (53) |
| ≥30 (sufficient) | 58 (23) | 16 (27) | 24 | 42 (22) |
| Vitamin D, in quartiles (ng/ml)a | ||||
| <19.9 | 63 (25) | 15 (25) | 23 | 48 (25) |
| ≥19.9 – ≤24.0 | 64 (25) | 16 (27) | 28 | 48 (25) |
| >24.0 – ≤29.5 | 63 (25) | 12 (20) | 30 | 51 (26) |
| >29.5 | 63 (25) | 17 (28) | 25 | 46 (24) |
| Vitamin D, ng/ml mean (SD) | 25.4 (11.3) | 26.1 (13.2) | 25.2 (11) | |
| Seasona | ||||
| Summer | 57 (23) | 14 (23) | 20 | 43 (22) |
| Fall | 59 (23) | 12 (20) | 21 | 47 (24) |
| Winter | 67 (27) | 19 (32) | 40 | 48 (25) |
| Spring | 70 (28) | 15 (25) | 25 | 55 (29) |
| Heart diseasea | 27 (18) | 10 (17) | 14 | 17 (9) |
| COPDa | 21 (8) | 8 (13) | 15 | 13 (7) |
| Asthmaa | 33 (13) | 13 (22) | 18 | 20 (10) |
| Asthma or COPD (obstructive lung disease)a | 47 (19) | 18 (30) | 30 | 29 (15) |
| Chronic cougha | 26 (10) | 8 (13) | 12 | 18 (9) |
| Chronic phlegma | 37 (15) | 9 (15) | 22 | 28 (15) |
| Any wheezea | 113 (45) | 33 (55) | 58 | 80 (42) |
| Persistent wheezea | 46 (18) | 14 (23) | 26 | 32 (17) |
| Chest illness in the past yeara | 29 (12) | 13 (22) | 33 | 16 (8) |
| Chest illness in the past 3 yearsa | 61 (24) | 26 (43) | 52 | 35 (18) |
| Pneumonia/bronchitis after SCIa | 120 (47) | 42 (70) | 81 | 78 (40) |
| Pneumonia/bronchitis after SCIa | ||||
| Yes and with chest illness in last 3 years | 40 (16) | 21 (35) | 44 | 19 (10) |
| Yes and without chest illness in last 3 years | 80 (32) | 21 (35) | 37 | 59 (31) |
| No and with chest illness in last 3 years | 21 (8) | 5 (8) | 8 | 16 (8) |
| BMI, in categories (kg/m2)a | ||||
| >30 (obese) | 72 (29) | 19 (32) | 35 | 53 (28) |
| 25–30 (overweight) | 85 (34) | 21 (35) | 38 | 64 (33) |
| < 25 (normal or underweightc) | 96 (38) | 20 (33) | 33 | 76 (39) |
| BMI, kg/m2, mean (SD) | 27.1 (6) | 27.6 (6) | 26.9 (6) | |
| %-Trunk fat, mean (SD) | 39.5 (11) | 40.9 (10) | 39.1 (11) | |
| %-Total body fat, mean (SD) | 36.4 (9) | 37.9 (9) | 35.9 (9) | |
| Cigarette Usea | ||||
| Current | 36 (14) | 6 (10) | 9 | 30 (16) |
| Former | 103 (41) | 25 (42) | 56 | 78 (40) |
| Never | 114 (46) | 29 (48) | 41 | 85 (44) |
| SCI classificationa | ||||
| Motor complete cervical & AIS Cd | 59 (23) | 16 (27) | 27 | 43 (22) |
| Motor complete high thoracic(T1–T6) & AIS Ce | 35 (14) | 7 (12) | 8 | 28 (15) |
| Other motor complete & AIS Cf | 62 (25) | 10 (17) | 12 | 52 (27) |
| All AIS D | 97 (38) | 27 (45) | 59 | 70 (36) |
| n=244 | n=58 | n=186 | ||
| FEV1/FVCa,g | ||||
| ≤0.70 | 53 (22) | 17 (29) | 29 | 36 (19) |
| >0.70 | 191 (78) | 41 (71) | 75 | 150 (81) |
| FEV1/FVC (SD)g | 0.77 (0.11) | 0.74 (0.11) | 0.78 (0.10) | |
| %-Predicted FEV1 mean (SD)g | 78.17 (20.41) | 72.42 (22.98) | 79.96 (19.26) | |
| %-Predicted FVC, mean (SD)g | 78.93 (19.24) | 76.09 (21.23) | 79.82 (18.54) | |
| Pulmonary Medicine Usea,g | 16 (7) | 10 (17) | 18 | 6 (3) |
a
n (%)
b
2 American Indian, 2 Asian, 7 Hispanic/Latino
c
underweight: <18.5 kg/m2, n= 13
d
15 AIS C with a total of 2 chest illnesses
e
3 AIS C with a total of 1 chest illness
f
10 AIS C with a total of 1 chest illness
g
n=244
a
40 had 1 illness, 11 had 2 illnesses, 3 had 3 illnesses, 3 had 4 illnesses, 1 had 5 illnesses, 1 had 7 illnesses, 1 had 11 illnesses