Table 2 Characteristics of hospital clusters
Cluster | Number of hospitals, and by peer group | Number of hospitals in rural area | Median number of the 8 procedures provided (IQR) | Median total hospital volume (IQR) | Median proportion of separations involving women (IQR) | Median proportion of separation involving people > 65 (IQR) | Median observed proportion of low-value care (IQR) | Median standardised proportion of low-value care (IQR) | Notes |
|---|---|---|---|---|---|---|---|---|---|
1 | 7 A: 7 | 1 | 8 (8–8) | 80,425 (60779–81,297) | 0.51 (0.50–0.51) | 0.39 (0.37–0.42) | 0.14 (0.12–0.15) | 0.28 (0.28–0.33) | These major hospitals all do all 8 procedures. |
2 | 12 A: 6 B: 6 | 4 | 7 (6–7) | 38,307 (29144–55,569) | 0.49 (0.48–0.51) | 0.43 (0.40–0.49) | 0.17 (0.15–0.20) | 0.41 (0.35–0.47) | None of these hospitals do renal artery angioplasty. Four hospitals do not do EVAR, but all hospitals do all the other procedures. |
3 | 4 A: 2 C2: 1 D1a: 1 | 2 | 1 (1–1.25) | 2561 (1998–6191) | 0.55 (0.51–0.65) | 0.42 (0.31–0.46) | 0.22 (0.18–0.32) | 0.31 (0.26–0.48) | Two hospitals do hysterectomy and three do knee arthroscopy. Only one hospital does both. |
4 | 31 B: 15 C1: 12 C2: 4 | 17 | 4 (4–5) | 15,759 (9267–20,835) | 0.51 (0.49–0.54) | 0.43 (0.35–0.46) | 0.15 (0.11–0.18) | 0.38 (0.33–0.41) | These hospitals do not do carotid endarterectomy, EVAR, or renal artery angioplasty. Ten hospitals do PCI. All hospitals do all the remaining procedures. |
5 | 31 A: 1 B: 1 C1: 2 C2: 19 D1a: 7 D1b: 1 | 29 | 3 (2–3) | 3155 (2140–5273) | 0.53 (0.50–0.54) | 0.47 (0.40–0.54) | 0.10 (0.05–0.12) | 0.28 (0.23–0.39) | These are generally small rural hospitals, although two large rural hospitals are also included. They all do colonoscopy and endoscopy. Thirteen do knee arthroscopy, and six do hysterectomy. |