Table 2.
Clinical and laboratory parameters among diabetic patients in three health care systems before and after Hurricane Katrina (28 February 2005–27 August 2005 and 1 March 2006–31 December 2006)
| n | Pre-Katrina mean value | Post-Katrina mean value | Difference in mean value | Patients with increased values* | Patients with decreased values† | Patients had no changes‡ | P for change in mean value | |
|---|---|---|---|---|---|---|---|---|
| A1C (%) | ||||||||
| TUHC | 452 | 7.5 ± 1.6 | 7.4 ± 1.8 | −0.1 ± 1.4 | 107 (23.67) | 181 (40.04) | 164 (36.28) | 0.108 |
| VA | 748 | 7.3 ± 1.6 | 7.4 ± 1.6 | 0.1 ± 1.4 | 275 (36.76) | 209 (27.94) | 264 (35.29) | 0.193 |
| MCLNO | 584 | 7.7 ± 1.9 | 8.1 ± 2.1 | 0.3 ± 1.8 | 279 (46.97) | 149 (25.08) | 166 (27.95) | <0.01 |
| Total | 1,794 | 7.5 ± 1.7 | 7.6 ± 1.9 | 0.1 ± 1.6 | 661 (36.85) | 539 (30.04) | 594 (33.11) | <0.01 |
| Systolic blood pressure (mmHg) | ||||||||
| TUHC | 262 | 130.0 ± 17.7 | 137.5 ± 21.6 | 7.5 ± 20.8 | 145 (55.34) | 76 (29.01) | 41 (15.65) | <0.01 |
| VA | 723 | 130.7 ± 16.6 | 143.7 ± 18.6 | 13.0 ± 20.5 | 505 (69.85) | 158 (21.85) | 60 (8.30) | <0.01 |
| MCLNO | 142 | 132.2 ± 17.7 | 136.0 ± 19.2 | 3.8 ± 17.1 | 84 (59.15) | 41 (28.87) | 17 (11.97) | <0.01 |
| Total | 1,127 | 130.7 ± 17.0 | 141.2 ± 20.0 | 10.5 ± 20.4 | 734 (65.13) | 275 (24.40) | 118 (10.47) | <0.01 |
| Diastolic blood pressure (mmHg) | ||||||||
| TUHC | 262 | 74.9 ± 11.0 | 76.3 ± 12.8 | 1.4 ± 13.7 | 115 (43.89) | 91 (34.73) | 56 (21.37) | 0.093 |
| VA | 723 | 68.8 ± 12.0 | 74.2 ± 12.0 | 5.4 ± 12.8 | 418 (57.81) | 183 (25.31) | 122 (16.87) | <0.01 |
| MCLNO | 142 | 75.0 ± 10.7 | 75.5 ± 11.8 | 0.5 ± 11.6 | 61 (42.96) | 52 (36.62) | 29 (20.42) | 0.597 |
| Total | 1,127 | 71.0 ± 12.0 | 74.9 ± 12.2 | 3.9 ± 13.1 | 594 (52.71) | 326 (28.93) | 207 (18.37) | <0.01 |
| LDL cholesterol (mg/dl) | ||||||||
| TUHC | 221 | 103.4 ± 32.6 | 115.5 ± 39.1 | 12.1 ± 34.6 | 141 (63.80) | 45 (20.36) | 35 (15.84) | <0.01 |
| VA | 607 | 97.1 ± 31.9 | 104.3 ± 36.2 | 7.2 ± 32.7 | 317 (52.22) | 194 (31.96) | 96 (15.82) | <0.01 |
| MCLNO | 343 | 107.9 ± 40.2 | 107.7 ± 41.4 | −0.2 ± 39.6 | 155 (45.19) | 142 (41.4) | 46 (13.41) | 0.948 |
| Total | 1,171 | 101.4 ± 35.0 | 107.4 ± 38.5 | 6.0 ± 35.5 | 613 (52.35) | 381 (32.54) | 177 (15.12) | <0.01 |
| HDL cholesterol (mg/dl) | ||||||||
| TUHC | 228 | 40.4 ± 13.6 | 43.5 ± 14.2 | 3.1 ± 9.5 | 120 (52.63) | 45 (19.74) | 63 (27.63) | <0.01 |
| VA | 543 | 42.1 ± 10.5 | 38.0 ± 11.9 | −4.1 ± 8.6 | 91 (16.76) | 338 (62.25) | 114 (20.99) | <0.01 |
| MCLNO | 343 | 47.6 ± 13.6 | 44.2 ± 14.0 | −3.4 ± 8.4 | 68 (19.83) | 190 (55.39) | 85 (24.78) | <0.01 |
| Total | 1,114 | 43.5 ± 12.5 | 41.0 ± 13.4 | −2.4 ± 9.2 | 279 (25.04) | 573 (51.44) | 262 (23.52) | <0.01 |
| Triglycerides (mg/dl) | ||||||||
| TUHC | 233 | 153.2 ± 99.6 | 158.2 ± 118.0 | 5.1 ± 111.7 | 98 (42.06) | 101 (43.35) | 34 (14.59) | 0.491 |
| VA | 543 | 172.8 ± 134.9 | 161.4 ± 108.2 | −11.4 ± 119.9 | 206 (37.94) | 247 (45.49) | 90 (16.57) | 0.027 |
| MCLNO | 344 | 147.1 ± 104.5 | 154.6 ± 203.2 | 7.5 ± 173.9 | 130 (37.79) | 154 (44.77) | 60 (17.44) | 0.422 |
| Total | 1,120 | 160.8 ± 119.8 | 158.7 ± 145.7 | −2.1 ± 137.5 | 434 (38.75) | 502 (44.82) | 184 (16.43) | 0.601 |
Data are means ± SD or n (%).
*A1C changes >+0.3, systolic blood pressure changes >+3, diastolic blood pressure changes >+3, LDL cholesterol changes >+5, and HDL cholesterol changes >+3, triglyceride changes >+10.
†A1C changes <−0.3, systolic blood pressure changes <−3, diastolic blood pressure changes <−3, LDL cholesterol changes <−5, and HDL cholesterol changes <−3, triglyceride changes < −10.
‡A1C changes within ±0.3, systolic blood pressure changes within ±3, diastolic blood pressure changes within ±3, LDL cholesterol changes within ±5, and HDL cholesterol changes within ±3, triglyceride changes within ±10.