Table 2 Characteristics of users and non-users of non-steroidal anti-inflammatory drugs (NSAIDs) among 826 acute kidney injury (AKI) survivors in the Southern Community Cohort Study
Characteristic | NSAID usersa,c N = 154 | NSAID non-usersa,c N = 438 | Unknown NSAIDa,c N = 234 | Totala,c N = 826 | Median difference between NSAID users and non-usersd |
|---|---|---|---|---|---|
Age at enrollment, years | 57.5 (50.0, 66.0) | 58.0 (50.0, 66.0) | 57.0 (50.0, 65.0) | 57.0 (50.0, 66.0) | −0.5 (−4.1, 1.6) |
Recruitment source | |||||
 CHC | 111 (72) | 406 (93) | 218 (93) | 735 (89) |  |
 General population | 43 (28) | 32 (7) | 16 (7) | 91 (11) |  |
Race | |||||
 Black | 79 (53) | 280 (64) | 176 (77) | 535 (66) |  |
 White | 66 (44) | 137 (31) | 42 (18) | 245 (30) |  |
 Other | 4 (3) | 20 (5) | 12 (5) | 36 (4) |  |
Male | 66 (43) | 215 (49) | 108 (46) | 389 (47) | −6.2 (−15.8, 3.3) |
Income < $15,000 | 113 (75) | 336 (76) | 190 (80) | 629 (77) | 1.1 (−7.3, 9.5) |
Education | |||||
 < High school | 46 (31) | 177 (41) | 105 (47) | 328 (41) |  |
 High school | 46 (31) | 141 (32) | 70 (32) | 257 (32) |  |
 > High school | 57 (38) | 118 (27) | 47 (21) | 222 (28) |  |
Insurance coverage | 143 (93) | 398 (91) | 204 (93) | 204 (93) | 2.4 (−2.8, 7.6) |
Most recent doctor visit, months | |||||
 0 | 53 (36) | 185 (43) | 86 (40) | 324 (41) |  |
 1 | 56 (38) | 133 (31) | 79 (37) | 268 (34) |  |
 2 | 20 (14) | 33 (8) | 24 (11) | 77 (10) |  |
 3 | 19 (13) | 76 (18) | 26 (12) | 121 (15) |  |
BMI, kg/m2 | 30.0 (26.1, 36.7) | 29.4 (25.6, 36.0) | 29.2 (24.2, 35.9) | 29.4 (25.3, 36.1) | 0.7 (−0.5, 1.9) |
Regular use of: | |||||
 Low-dose aspirin | 66 (44) | 162 (37) | 59 (27) | 287 (36) |  |
 Regular aspirin | 34 (24) | 64 (15) | 41 (19) | 139 (18) |  |
 Acetaminophen | 50 (35) | 62 (14) | 18 (9) | 130 (17) |  |
NSAID sourceb | |||||
 Prescription | 52 (34) | - | - | 52 (34) |  |
 OTC | 81 (53) | - | - | 81 (53) |  |
 Both | 21 (14) | - | - | 21 (14) |  |
Diabetes | 54 (35) | 233 (53) | 114 (51) | 401 (49) | −18.1 (−27.4, −8.8) |
Hypertension | 128 (83) | 348 (79) | 181 (81) | 657 (81) | 3.7 (−3.8, 11.1) |
Myocardial infarction | 29 (19) | 117 (27) | 52 (23) | 198 (24) | −7.8 (−15.7, 0.2) |
Arthritis | 109 (71) | 187 (43) | 108 (48) | 404 (50) | 28.1 (19.1, 37.1) |
Ulcer | 41 (27) | 77 (18) | 38 (17) | 156 (19) | 9.0 (0.7, 17.3) |
Lupus | 4 (3) | 6 (1) | 4 (2) | 14 (2) | 1.2 (−2.0, 4.4) |
High cholesterol | 78 (51) | 223 (51) | 104 (47) | 405 (50) | −0.1 (−9.3, 9.2) |
Heart failure | 68 (44) | 224 (51) | 119 (51) | 411 (50) | −7.0 (−16.6, 2.6) |
Chronic kidney disease | 55 (36) | 215 (49) | 91 (39) | 361 (44) | −13.4 (−22.7, −4.0) |