Table 2 Causes of deaths during all observation period in β2‐microglobulin positive and negative subjects.
| ICD code | Obs | Men | Women | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| β2‐MG(−) (n = 1219) | β2‐MG(+) (n = 205) | β2‐MG(−) (n = 1425) | β2‐MG(+) (n = 329) | ||||||||||
| SMR | (95% CI) | Obs | SMR | (95% CI) | Obs | SMR | (95% CI) | Obs | SMR | (95% CI) | |||
| All causes | 001–999 | 367 | 83 | (74–91) | 140 | 127 | (106–148) | 271 | 82 | (71–91) | 199 | 146 | (126–167) |
| Malignant neoplasms | 140–208 | 104 | 75 | (60–89) | 24 | 93 | (54–133) | 59 | 71 | (53–89) | 24 | 106 | (61–151) |
| Oesophagus | 150 | 1 | 16 | (0–221) | 1 | 96 | (0–1323) | 0 | 0 | 3 | 709 | (0–2470) | |
| Stomach | 151 | 21 | 64 | (35–93) | 5 | 77 | (0–173) | 14 | 85 | (36–133) | 4 | 79 | (0–203) |
| Colon, rectum | 153,154 | 14 | 106 | (45–167) | 4 | 162 | (0–420) | 8 | 77 | (13–140) | 3 | 101 | (0–351) |
| Liver | 155 | 6 | 37 | (0–75) | 1 | 43 | (0–593) | 4 | 62 | (0–160) | 0 | 0 | |
| Pancreas | 157 | 9 | 117 | (27–208) | 2 | 150 | (0–1500) | 11 | 187 | (62–318) | 1 | 63 | (0–862) |
| Lung | 162 | 25 | 82 | (48–115) | 8 | 142 | (24–260) | 6 | 61 | (0–126) | 4 | 146 | (0–379) |
| Breast | 174 | – | – | – | – | 2 | 53 | (0–528) | 3 | 456 | (0–1588) | ||
| Uterus | 180 | – | – | – | – | 1 | 24 | (0–324) | 0 | 0 | |||
| Prostate | 185 | 3 | 68 | (0–237) | 1 | 90 | (0–1235) | – | – | – | – | ||
| Bladder | 188 | 1 | 41 | (0–563) | 1 | 170 | (0–2333) | 0 | 0 | 2 | 548 | (0–5475) | |
| Hypertensive diseases | 401–405 | 1 | 24 | (0–71) | 0 | 0 | 2 | 36 | (0–361) | 2 | 62 | (0–614) | |
| Ishaemic heart diseases | 410–414 | 17 | 54 | (26–82) | 3 | 38 | (0–132) | 14 | 59 | (28–87) | 10 | 98 | (28–168) |
| Heart failure | 428 | 38 | 93 | (63–122) | 22 | 179 | (99–258) | 41 | 104 | (72–136) | 46 | 248 | (177–320) |
| Cerebrovascular diseases | 430–438 | 50 | 76 | (55–97) | 32 | 166 | (109–224) | 47 | 71 | (51–92) | 39 | 135 | (93–178) |
| Cerebral haemorrhage | 430–432 | 14 | 79 | (33–125) | 4 | 99 | (0–257) | 14 | 88 | (37–139) | 3 | 51 | (0–179) |
| Cerebral infarction | 433,34,37 | 31 | 69 | (45–93) | 28 | 160 | (98–221) | 23 | 66 | (38–95) | 31 | 174 | (110–237) |
| Pneumonia and bronchitis | 480–487 | 34 | 83 | (55–111) | 8 | 65 | (11–120) | 21 | 80 | (43–116) | 13 | 113 | (45–182) |
| Digestive diseases | 520–579 | 17 | 83 | (40–125) | 8 | 180 | (30–330) | 18 | 113 | (57–169) | 14 | 238 | (114–363) |
| Kidney and urinary diseases | 580–599 | 8 | 81 | (13–148) | 10 | 357 | (102–612) | 7 | 75 | (6–144) | 9 | 230 | (53–407) |
| Nephritis and nephrosis | 580–589 | 7 | 79 | (21–138) | 10 | 420 | (160–681) | 3 | 37 | (0–80) | 8 | 247 | (76–419) |
β2‐MG(−), urinary β2‐microgrobulin <1000 μg/gCr; β2‐MG(+), urinary β2‐microgrobulin ⩾1000 μg/gCr; Obs, observed number of death; SMR, standardised mortality ratio; 95% CI, 95% confidence interval.